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CNAS



College News Archive - 2015


December 11, 2015

Calvo
Physicist Uses 3D-printing Technology to Better Understand the Universe

Miguel Aragón-Calvo, a visiting assistant researcher in the Department of Physics and Astronomy, is using 3D-printing technology to create models of structures in the universe in order to better understand how the universe has evolved.

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December 8, 2015

Ying
Ying Named to Lead $1.69-million President’s Research Catalyst Award

Assistant Professor of Soil Biogeochemistry Samantha Ying will serve as principal investigator on a $1.69-million President’s Research Catalyst Award for cutting-edge research in the soil microbiome. Ying’s award, announced Dec. 7 by University of California President Janet Napolitano, is one of four totaling more than $4.8 million selected from more than 180 proposals.

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December 3, 2015

Candle
Candlelight Vigil to Honor Graduates Killed or Injured in San Bernardino Shooting

Three graduates from the College of Natural and Agricultural Sciences are among those who will be honored during a candlelight vigil for victims of the tragic shooting in San Bernardino earlier this week. The vigil will begin Friday, Dec. 4, at 5 p.m. near the center of campus.

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December 3, 2015

Baez
Baez to Discuss “The Answer to the Ultimate Question of Life, the Universe, and Everything” at CMS Meeting

Professor of Mathematics John Baez will deliver a public lecture titled, “The Answer to the Ultimate Question of Life, the Universe, and Everything,” at the 2015 winter meeting of the Canadian Mathematical Society, in Montreal, Canada, on Saturday, Dec. 5, 2015. The CMS winter meeting is the primary annual mathematics meeting in Canada and is expected to draw 500 participants.

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November 16, 2015

Paine
Entomology Professor Receives National Teaching Award

Professor of Entomology Timothy Paine has received an award for innovative teaching methods and service to students from the Association of Public and Land-grant Universities, U.S. Department of Agriculture and the American Association of State Colleges and Universities. Paine received the Excellence in College and University Teaching Awards for Food and Agricultural Sciences award at the 128th APLU Annual Meeting in Indianapolis, Ind., on Sunday, Nov. 15.

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November 9, 2015

Bees
A Warmer World Will Be a Hazier One

Using a suite of computer models, a new study led by Assistant Professor of Earth Sciences Robert Allen finds that most aerosol species (tiny solid and liquid particles suspended in the atmosphere) will increase under climate change associated with greenhouse-gas-induced warming. This will affect air quality and alter the Earth’s radiative balance by either scattering or absorbing sunlight.

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November 5, 2015

Bees
Managed Bees Spread and Intensify Diseases in Wild Bees

A new study by postdoctoral researcher Peter Graystock (lead author), Assistant Professor of Entomology Quinn McFrederick and others shows that the introduction of large populations of managed bees to an area can have a deleterious effect the health of the wild bees living there.

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November 3, 2015

Yamanaka
Researchers Identify New Route for Release of Steroid Hormones

A new paper published by the journal Cell by Assistant Professor of Entomology Naoki Yamanaka and others concludes that the conventional “free diffusion” model of steroid hormone release should be revisited based on their study of how fruit fly endocrine organs use tightly regulated signaling pathways to manage the process.

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November 2, 2015

Spider
Oil-Based Pesticides Most Effective at Killing Contents of Brown Widow Spider Egg Sacs

Pesticides in oil-based formulations are better than water-based formulations at penetrating the silk fibers of brown widow spider egg sacs, according to a new study published in the Journal of Economic Entomology by CNAS entomologists Dong-Hwan Choe and Rick Vetter.

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October 30, 2015

Chari
Chari Named Fellow of American Mathematical Society

Professor of Mathematics Vyjayanthi Chari is one of only 50 mathematical scientists from around the world who have been named fellows of the American Mathematical Society for 2016. Chari is honored for her contributions to the theory of quantum groups and affine Lie algebras and for service to the mathematical community.

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October 29, 2015

Nest
Study Spells Out Why Some Insects Kill Their Mothers

A new study published in New Biology by entomologist Kevin J. Loope, a postdoctoral researcher in the lab of Assistant Professor Erin Wilson Rankin, describes Loope’s observations of female worker wasps who kill their colony’s queen when the genetic makeup of the colony makes it favorable to do so.

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October 19, 2015

Panels
New Study Describes Environmental Impact of Utility-Scale Solar Energy Projects

A new study published in the Proceedings of the National Academy of Sciences shows that utility-scale solar power installations in California are having direct and indirect effects on ecosystems and recommends prudent decision-making in the siting of installations. Authors of the paper include Rebecca Hernandez, former junior specialist in the Center for Conservation Biology at UCR, and Michael Allen, director of the center and professor and chair of plant pathology and microbiology.

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October 7, 2015

Early Earth
"Alternative Earths" Is Topic of Free Public Lecture

Distinguished Professor of Biogeochemistry Timothy Lyons will give a free lecture titled, “Alternative Earths? What Our Planet’s History May Tell Us About Life in the Universe,” on Thursday, Oct. 15, at 7 p.m. in Bourns Hall Room A265.

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October 6, 2015

Uhrich
Kathryn Uhrich Named Dean of the College

Kathryn Uhrich, professor of chemistry and chemical biology at Rutgers, The State University of New Jersey, has been named dean of the College of Natural and Agricultural Sciences it was announced today. She will start January 1, 2016.

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October 6, 2015

CNAS Logo
CNAS Welcomes 30 New Faculty to its Ranks

The College of Natural and Agricultural Sciences welcomes 30 new faculty to its ranks this year, bringing the total number to more than 300 across 13 departments in 3 divisions.

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October 1, 2015

Long Night
CNAS Expertise to be Showcased at Long Night of Arts & Innovation

Faculty and students from CNAS will part of a series presentations and demonstrations at the City of Riverside’s Long Night of Arts & Innovation from 5 p.m. to midnight on Thursday, Oct. 8, in downtown Riverside.

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September 30, 2015

3D Printing
Traps Created with 3-D Printing Aid in Studies of Avocado Pest

A team of CNAS scientists are using 3-D printing to rapidly and cost-effectively produce specially designed traps to help capture and study the polyphagous shot hole borer, an insect that is damaging avocado and other species of trees in Southern California.

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September 29, 2015

Dillman
Scientists Sequence Genomes of Microscopic Worms Beneficial to Agriculture

A team led by Assistant Professor of Parasitology Adler Dillman has sequenced the genomes of a group of nematodes (microscopic round worms), providing information that can assist in developing them into more effective parasitic biological control agents in the fight against agricultural insect pests.

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September 23, 2015

Santiago
Santiago Receives NSF Grant to Study Plant Survival and Mortality Mechanisms During Extreme Drought

Associate Professor of Botany and Plant Sciences Louis Santiago has received a grant from the National Science Foundation to study how trees and shrubs respond to extreme drought. Now in the fourth year of drought, California’s trees and shrubs are experiencing mass mortality quickly and rapid changes in vegetation cover are leading to loss of biodiversity, opportunities for invasive species, and novel ecosystems with entirely new plant communities.

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September 23, 2015

Aronson
Emma Aronson Receives Two Grants from NSF

Emma Aronson, an assistant professor of plant pathology and microbiology, has received two grants from the National Science Foundation for conducting research on projects aimed at generating a greater understanding of the microbial role in biogeochemical cycling.

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September 23, 2015

Gerry
Alec Gerry Receives Distinguished Achievement Award in Extension from the Entomological Society of America

Alec C. Gerry, a professor of veterinary entomology and extension specialist has been selected to receive the Distinguished Achievement Award in Extension from the Entomological Society of America (ESA). He will be presented with the award at the ESA’s annual meeting in November 2015.

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September 21, 2015

Bailey-Serres
Bailey-Serres Co-Authors Study on Growing Rice Under Water

A team of scientists including Julia Bailey-Serres, professor of genetics and director of the Center for Plant Cell Biology, recently published a study unlocking the secret to just how rice seeds might be able to survive when grown under water. The study, published in the leading scientific journal Nature Plants, identified a gene that controls the availability of sugar to a growing seed shoot—especially when under flooded conditions.

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September 16, 2015

Diaz
Plant Species’ Responses to Climate Change Altered by Novel Competitors

A new study by Assistant Professor of Plant Ecology Jeffrey M. Diez and others provides the first empirical evidence that competition among alpine plant species in response to changing temperatures is more important to their survival than the direct effects of temperature. The study was published online by the journal Nature.

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September 16, 2015

Lunar Eclipse
Physics and Astronomy to Host Events Surrounding Lunar Eclipse

Members of the Department of Physics and Astronomy will host a series of events on Friday, Saturday and Sunday, Sept. 25-27, to educate the community about using telescopes and to view the lunar eclipse on Sunday evening. It will be the last total lunar eclipse in California until 2018.

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September 15, 2015

Department of Education
CNAS Learning Communities Recognized by Department of Education and White House

The U.S. Department of Education and the White House Initiative on Educational Excellence for Hispanics has recognized the success of the CNAS Freshman Scholars Learning Communities by naming the program one of 232 Bright Spots in Hispanic Education for its ongoing efforts to close the achievement gap for students and ensure their success in STEM fields.

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September 14, 2015

David Reznick
Reznick and Team of Researchers Illustrate Real-Time Evolution in Study of Guppies in Trinidad

Distinguished Professor of Biology David Reznick and an international team of researchers have published a paper detailing their work in identifying how populations of guppies in Trinidad rapidly evolve in response to changes in their environment. Their findings appeared Aug. 19 in the Proceedings of the Royal Society B.

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September 10, 2015

Gillian Wilson
Wilson and Team of Astronomers Discover Prolific Star-Generating Cluster of Galaxies

Professor of Physics and Astronomy and Interim Divisional Dean Gillian Wilson is part of a team that has discovered a distant cluster of galaxies in the universe that are forming stars at a rate 800 times that of our own Milky Way. The findings were published in The Astrophysical Journal.

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August 28, 2015

Ice Earth
From Icy Tomb to Global Warming: Public Lecture Will Discuss Earth’s Climate History

Harvard University Professor Emeritus of Geology Paul Hoffman will deliver a free public lecture titled, "Earth’s Astonishing Climate History," on Thursday, September 24, from 6 to 7 p.m. at the UCR Extension Center. Co-sponsored by the Department of Earth Sciences and the NASA Astrobiology Institute, the lecture is free and open to the public (no charge for parking).

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August 28, 2015

Gill
Gill Elected Fellow of Entomological Society of America

Distinguished Professor of Cell Biology and Neuroscience and entomologist Sarjeet Gill has been elected a fellow of the Entomological Society of America, the largest organization in the world serving the professional and scientific needs of entomologists and people in related disciplines. Gill is one of only 10 persons elected to this honor this year.

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August 25, 2015

Barley
Sequencing of Barley Genome Achieves New Milestone

Professors Tim Close (Department of Botany and Plant Sciences, CNAS) and Stefano Lonardi (Department of Computer Science and Engineering, Bourns College of Engineering) have sequenced large portions of the barley genome that together contain nearly two-thirds of all its genes. This new information will not only expand geneticists’ knowledge of barley’s DNA but will also help in the understanding, at the genetic level, of wheat and other sources of food.

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August 24, 2015

Chemistry Ranking
Department of Chemistry Ranked 41st in the World

The Department of Chemistry at CNAS jumped from being ranked 47th in the world in 2014 to 41st in 2015, according to the recently released Academic Ranking of World Universities. The rankings are based on prestigious awards won by alumni or faculty and three separate indices of the number of researchers cited, the number of citations and the impact factors of the journals where their work is cited.

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August 19, 2015

Earthquake
Computer Models Show Significant Tsunami Strength for Ventura and Oxnard

A new study published in Geophysical Research Letters demonstrates that a tsunami caused by an earthquake along two Southern California faults near Ventura has the potential to refract, rotate and inundate the Ventura/Oxnard area. The first author of the study is Kenny J. Ryan, a graduate student working with the co-author, Professor David D. Oglesby in the Department of Earth Sciences.

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August 4, 2015

Bee
Flowers Can Be Dangerous to Bees?

In addition to serving as a source for pollen and nectar for bees, flowers can also pose a grave danger by providing a platform for parasites, according to a study in the online journal Proceedings of the Royal Society B co-authored by Peter Graystock, a postdoctoral researcher in the Department of Entomology.

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July 31, 2015

Jenerette
Jenerette to Participate in New Urban Water Innovation Network

Darrel Jenerette, an associate professor in the Department of Botany and Plant Sciences, will participate in the newly established Urban Water Innovation Network, a partnership of 14 academic institutions funded by a $12-million NSF grant to address the challenges threatening urban water systems in the United States and around the world. Jenerette’s expertise is in the area of urban biodiversity, vegetation-based regional cooling and water requirements for urban vegetation..

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July 27, 2015

Solar Pannels
CNAS Researchers Discover Way to Boost Solar Power by Using Infrared Spectrum

Department of Chemistry professors Christopher Bardeen and Ming Lee Tang have discovered a way to upconvert infrared photons from the sun, enabling them to be utilized by photovoltaic solar panels in a process that can boost efficiency by up to 30 percent.

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July 22, 2015

Soybean Oil Fructose
Study Shows Soybean Oil Is Greater Factor in Obesity and Diabetes Than Fructose

A study by Professor of Cell Biology and Neuroscience Frances M. Sladek and Assistant Project Scientist Poonamjot Deol shows that soybean oil, which has grown to account for 60 percent of the edible oil consumed in the United States, has a stronger impact on the development of obesity and diabetes than fructose, a sugar commonly found in soda. The increase in soybean oil consumption jn recent decades mirrors the rise in obesity rates in the United States.

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July 22, 2015

Global Food Intiative
GMOs: All Facts, No Fiction

Faculty from CNAS and UC Davis will be part of a discussion, “GMOs: All Facts, No Fiction,” on Wednesday, November 4, 2015, from 6–7:30 p.m. at the UCR Extension Center. Moderating the discussion will be Greg Jaffe, Director of Biotechnology at the Center for Science in the Public Interest in Washington, D.C. The event is free, open the the public and hosted by the Global Food Initiative at UCR.

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June 26, 2015

Gulls
Why Are Seabirds Abandoning Their Ancestral Nesting Grounds in Gulf of California?

Professor of Botany and Plant Sciences and Director of the UC MEXUS program Exequiel Ezcurra is co-author of a new study describing why seabirds are abandoning their ancestral nesting grounds on Isla Rasa in the Gulf of California without nesting. Warming oceanographic conditions and fishing pressure are driving them away.

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June 26, 2015

Physics Academy
Physics and Astronomy Hosts Eighth Annual Summer Physics Academy

The Department of Physics and Astronomy hosted its eighth annual Summer Physics Academy last week, providing a weeklong workshop that trains and equips local high school physics teachers with practical and conceptual physics lessons, hands-on activities, curriculum and technology to use in their own classrooms. The academy’s goal is to reach out to local high school students through their teachers so that the students are encouraged to learn physics and be prepared for physics courses at the college level.

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June 25, 2015

Garland
Study by Garland Points to Benefits of Exercise During Childhood

A study published in Physiology & Behavior by Professor of Biology Theodore Garland demonstrates the positive impact that exercise done early in life can have on the health of adults, including a tendency to continue to exercise voluntarily and achieve a reduction in body mass.

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June 22, 2015

Pham
Safe Repellents That Protect Fruit From Spotted Wing Drosophila Found

Associate Professor of Entomology Anandasankar Ray and graduate student Christine Krause Pham have identified a safe repellent that protects fruit from insects like the spotted wing Drosophila, which it lays its eggs inside ripe berries, and, when its larvae emerge there, the fruit is destroyed. The repellant uses Butyl anthranilate, a pleasant-smelling chemical compound produced naturally in fruits in small amounts.

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June 18, 2015

Wessler
Wessler Named Campbell Presidential Chair for Innovation in Science Education

Distinguished Professor of Genetics Susan R. Wessler, a passionate advocate for spreading the excitement of doing genomics research to undergraduate students, has been named the Neil A. and Rochelle A. Campbell Presidential Chair for Innovation in Science Education. The endowed chair was established through a generous gift from Rochelle A. Campbell, a longtime supporter of science education at UCR.

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June 17, 2015

CR7
Mobasher, Grad Students Part of International Team That Discovers Universe’s Brightest Galaxy

Professor of Physics and Astronomy Bahram Mobasher and his graduate students Behnam Darvish and Shoubaneh Hemmati are part of a team that has discovered by far the brightest galaxy yet found in the early universe and found strong evidence that examples of the first generation of stars lurk within it. Along with astronomer David Sobral of the University of Lisbon, Portugal, they peered back into the ancient universe to a period known as reionization that is approximately 800 million years after the Big Bang.

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June 12, 2015

UCR Seal
CNAS Faculty Recognized at Chancellor’s Awards Reception

Several members of the CNAS faculty were recognized at the 2014-2015 Faculty Awards Reception held on May 26 at Chancellor Kim A. Wilcox’s residence. The celebration also recognized faculty members who received significant national and Senate awards in the past academic school year.

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May 27, 2015

Schal
Public Talk to Discuss Sugar Aversion in Cockroaches

Coby Schal, an international expert in urban entomology from North Carolina State University, will give the 2015 Alfred M. Boyce Lecture at UCR on Monday, June 1, on the topic of cockroaches, specifically their aversion to sugar. The lecture is presented by the CNAS Department of Entomology and will take place in the Genomics Building Auditorium beginning at 4:10 p.m.

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May 18, 2015

Green
Study Proposes Common Mechanism for Shallow and Deep Earthquakes

Harry W. Green II, distinguished professor of the Graduate Division in UC Riverside’s Department of Earth Sciences, led a team that published a new study in Nature Geoscience that demonstrates how a universal sliding mechanism operates for earthquakes of all depths – from the deep ones all the way up to the crustal ones. The study has the potential to help develop improved computer models for earthquake shaking danger.

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May 13, 2015

Messaoudi
Science of Food and Health Series Concludes with Lecture on Nutrition and Immunity

Ilhem Messaoudi, an associate professor in the Division of Biomedical Sciences at the UC Riverside School of Medicine, will deliver a free public lecture titled, “What You Eat is How You Feel: Nutrition and its Impact on Immunity and Health” on Thursday, May 21 from 5:30 to 6:30 p.m. at the UCR Extension Center.

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May 7, 2015

Helmkamp
College Saddened by Passing of George K. Helmkamp

George K. Helmkamp, who was the second person hired in chemistry in 1953, died March 28, 2015, at the age of 94. Described as a “Renaissance man” for his many talents, he was an accomplished wood worker who designed and built UC Riverside’s mace, which is carried at the head of the procession during the university’s academic ceremonies.

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May 1, 2015

Big Data
Mobasher is Lead Investigator on $4.5-Million "Big Data" Grant from NASA

Professor of Physics and Astronomy Bahram Mobasher is the principal investigator on a nearly $4.5 million grant from NASA to develop research, education, training and collaborative opportunities in big data and visualization. The five-year research project, called “Fellowships and Internships in Extremely Large Data Sets” (FIELDS), will train underrepresented minority students in science, technology, engineering and mathematics (STEM) fields to address a critical shortfall in the workforce essential for future NASA missions.

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April 30, 2015

Garner Malik
Seeds of Change: UCR’s Healthy and Sustainable Food Initiative Will be Subject of Lecture May 7

The next lecture in the The Science of Food and Health series will feature Cheryl Garner, executive director of UCR Dining, Conference and Catering Services, and Neal Malik, registered dietician, UCR Dining Services, as they discuses “Seeds of Change: UCR’s Healthy and Sustainable Food Initiative,” on Thursday, May 7, at the UC Riverside Extension Center, 1200 University Ave.

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April 20, 2015

Cowpeas
Science of Food and Health Lecture Series Resumes April 23

“Food Security for Africa: The Cowpea Story From Lab to Plate” is the topic of the next free public lecture in the CNAS series titled The Science of Food and Health. The lecture will be given by Professor of Nematology Philip Roberts, Professor of Genetics Timothy Close, and Jeff Ehlers, a program officer at the Bill and Melinda Gates Foundation. It will take place Thursday, April 23, from 5:30 p.m. to 6:30 p.m. at the UC Riverside Extension Center, 1200 University Avenue.

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April 15, 2015

Tortoise
Calling All Citizen Scientists!

Researchers in the Center for Conservation Biology are seeking volunteers for a project that aims to study the impact of climate change on plants and animal life in Joshua Tree National Park. The volunteers would help in conducting surveys of plants, birds and reptiles in the park and are being sought most immediately for Friday, April 17, and Friday, April 24.

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April 8, 2015

Insect
Inaugural Annual Insect Fair to be Held April 18

A diverse collection of insects will be on display at the inaugural Annual Riverside Insect Fair in downtown Riverside on Saturday, April 18. Organized mainly by the University of California, Riverside Entomology Graduate Student Association and the Riverside Metropolitan Museum, the fair will take place on Mission Inn Avenue between Orange Street and Lemon Street from 10 a.m. to 5 p.m. Admission is free.

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April 6, 2015

Collider
CNAS Physicists Celebrate Restart of Large Hadron Collider at CERN

Faculty, researchers and students from the CNAS Department of Physics and Astronomy are participating in the restart of the Large Hadron Collider at the CERN Laboratory in Geneva, Switzerland, as it begins a new generation of high-energy experiments following two years of upgrades and repairs. UCR is a founding member of CMS (Compact Muon Solenoid), a large particle-capturing detector that was instrumental in the discovery of the Higgs boson.

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March 31, 2015

Grill
Science Lecture Series Begins April 9

The Science of Food and Health is the theme of the CNAS Spring 2015 Science Lecture Series which kicks off April 9 with a lecture titled, “Feeding Botswana: From Field to Lab to Vaccine,” by UCR alumnus Larry Grill, dean of research and director of the Vaccine Research Center at Keck Graduate Institute in Claremont, Calif.

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March 20, 2015

Li
Li Awarded Prigogine Medal for Contributions to Study of Ecological Systems

Professor of Ecology Bai-Lian (Larry) Li has been awarded the Prigogine Gold Medal by the Wessex Institute of Technology. The medal is given to a leading scientist in the field of ecological systems and will be presented to Li on June 3, 2015, at the 10th International Conference on Ecosystems and Sustainable Development at the Politecnic University of València, Spain.

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March 5, 2015

Soybeans
How Healthy Is Genetically Modified Soybean Oil?

According to a study done by Professor of Cell Biology and Toxicologist Frances Sladek and Assistant Project Scientist Poonamjot Deol, genetically modified soybean oil is as unhealthy as conventional soybean oil, but with one benefit: it doesn’t cause resistance to insulin.

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February 27, 2015

Fossil
Report Demonstrates Factors Leading to Prevalence of Tetrapod Swim Tracks in Fossils in Utah

Professor of Paleontology Mary L. Droser and her former graduate student Tracy J. Thomson have published a report in the journal Geology that concludes a unique combination of factors in Early Triassic delta systems resulted in the production and unusually widespread preservation of the swim tracks of tetrapods (four-footed land-living vertebrates). Factors include delayed ecologic recovery, depositional environments and tetrapod swimming behavior. The Early Triassic period followed the largest mass extinction event in Earth’s history.

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February 20, 2015

chari
Chari Named Twice to Mathematics Publication’s Most Highly-Cited Articles List

Professor of Mathematics Vyjayanthi Chari has been highlighted twice in a list of most highly-cited articles published in the International Mathematics Research Notices. Chari’s research paper “Characters and blocks for finite-dimensional representations of quantum affine algebras” (along with a coauthor) ranked 3, while her paper “Braid group actions and tensor products” ranked 21. Chari is an expert in representation theory, a fundamental area of mathematics used to understand abstract algebraic ideas by representing them as matrices.

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February 18, 2015

lyons
Lyons Named Geochemical Fellow

Timothy Lyons, distinguished professor of biogeochemistry in the Department of Earth Sciences, has been named a 2015 Geochemical Fellow by the Geochemical Society and the European Association of Geochemistry. The honorary title is awarded to outstanding scientists who have made major contributions to the field of geochemistry. Lyons, his research group, and UCR colleagues explore the evolving compositions of the early atmosphere and oceans.

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February 17, 2015

wessler
Wessler and UC Colleagues Develop Faculty Learning Community to Improve STEM Education

Along with colleagues from three other UC campuses, Distinguished Professor of Genetics Susan R. Wessler is developing an interconnected Faculty Learning Community to allow faculty to share proven, successful methods that improve undergraduate biology instruction. Funded by the Howard Hughes Medical Institute (HHMI) the project is designed to increase the number of students pursuing STEM majors by making courses more inspiring and learning more collaborative, active and engaging.

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February 17, 2015

scientific problem
Solving This Scientific Problem Could Put $500 in Your Pocket

Professor of Geology Nigel Hughes is part of a team using crowdsourcing to help answer an ancient, unsolved question about the origin of circular rings formed nearly one-half billion years ago in seabeds in Wisconsin. A $500 cash prize will be given to the person with the most plausible solution.

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February 11, 2015

Hummingbird
New Species of Hummingbird?

A research team that includes Assistant Professor of Biology Christopher J. Clark has proposed in a research paper published in this month’s issue of The Auk that two subspecies of hummingbird found in the Bahama Achipegligo should be recognized as two separate species. They propose that one of them, both commonly known as the Bahama Woodstar, should be renamed the Inaguan Lyretail because of its distinct characteristics..

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February 6, 2015

Mahi Mahi
Project Will Measure Cardiac Output to Identify Impact of Hydrocarbons on Ocean Fish

Daniel Schlenk, professor of aquatic ecotoxicology in the Department of Environmental Sciences, is co-principle investigator of an initiative to investigate the impact of the release of hydrocarbons into the ocean by using sophisticated techniques to study the cardiac output of two varieties of predatory fish in the Gulf of Mexico.

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February 5, 2015

Bahram
Mobasher to Share Journey into Depths of Space and Time

Professor of Physics and Astronomy Bahram Mobasher will give a free public talk titled, “Let There Be Light: The History of the Universe from the First Billion Years to the Present,” on Thursday, Feb. 12, at 6 p.m., in rooms 205-206 of Winston Chung Hall.

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February 4, 2015

Agrochemical
Cutler-led Team Reports Discovery That Improves Drought Tolerance in Plants

A team led by Assistant Professor of Plant Cell Biology and Chemistry Sean Cutler reports in the journal Nature that drought tolerance in plants can be improved by engineering them to activate water-conserving processes in response to an agrochemical already in use — an approach that could be broadly applied to other parts of the same drought-response pathway and a range of other agrochemical.

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January 27, 2015

Mosquito
Researchers Identify Natural Plant Compounds That Work Against Insects

An international team of researchers led in the U.S. by Distinguished Professor of Entomology Alexander Raikhel have discovered potent compounds in plants that counteract the action of juvenile hormone antagonists (JHANs) in mosquitos that can lead to mortality for their larvae, specifically by retarding the development of ovaries.

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January 26, 2015

Graphene
CNAS Research Team Discovers New Way to Make Graphene Magnetic

In a study published by Physical Review Letters, Professor of Physics Jing Shi and his research team describe an ingenious new way they have discovered to induce magnetism in graphene while also preserving graphene’s electronic properties.

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January 22, 2015

Ring Cardé
Cardé Study Describes Mosquito "Sit-and-Wait" Ambush Strategy

A study led by Distinguished Professor of Entomology Ring Cardé shows that females of the malaria-spreading mosquito tend to obtain their blood meals within human dwellings and that they use a “sit-and-wait” ambush strategy, landing on human skin when fluctuations in carbon dioxide indicate a human is present. Read more

January 20, 2015

Raikhel Alexander
Raikhel-led Team Discovers miR-8 Effect on Mosquito Reproduction

Distinguished Professor of Entomology Alexander Raikhel and a team from UCR have published a paper in the Proceedings of the National Academy of Sciences that describes how they identified microRNA-8 (miR-8) as an essential regulator of mosquito reproductive events and how its depletion hinders egg development and disposition.

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January 14, 2015

Dean Yates
Dean Yates Travels to China With UCR Leadership to Explore Partnerships

CNAS Dean Marylynn V. Yates accompanied Chancellor Kim A. Wilcox and other leaders from UC Riverside as they visited Shanghai, Chengdu, Wuhan and Beijing in China recently to meet with university leaders, business people and government officials as they sought out new research and education partnerships.

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January 14, 2015

Abhijit Ghosh
Seismic Experiment in Alaska Could Shed Light on Slow Earthquakes

Abhijit Ghosh, an assistant professor of geophysics in UC Riverside’s Department of Earth Sciences, isleading a team of seismologists and volcanologists in experiment in Alaska to help better describe the characteristics of the Alaska-Aleutian subduction zone, one of the most seismically active regions in the world that is also home to many active volcanoes.

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January 13, 2015

Jocelyn Millar
Research Study Breaks Ground in Understanding Insect Chemistry

Jocelyn G. Millar, a professor of entomology and chemistry, has published a study in the Proceedings of the National Academy of Sciences that describes a new method of understanding the hydrocarbon molecules that differentiate insects and their roles in colonies and that could potentially be used to disrupt their behavior.

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January 7, 2015

Higham Timothy
Higham Study Shows Evolutionary Adaptations Can Be Lost, New Ones Gained

Assistant Professor of Biology Timothy Higham has published a study in Proceedings of the National Academy of Sciences that says evolution can downgrade or entirely remove adaptations a species has previously acquired. They found that a species of geckos in which the adhesive system was either lost or simplified saw elevated rates of evolution related to morphology and locomotion.

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January 5, 2015

Arachnids
Arachnids Get Bad Rap for Human Bacterial Infections

A team of scientists led by entomologist Richard S. Vetter has data-mined the history of publications on spider envenomations and concluded that the evidence for spider-vectored infection is scanty. After examining reports of thousands of spider bites of many species worldwide, they found almost no mention of infection associated with the arachnid-inflicted injury.”

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