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News Archive - Kim McDonald

Longer Days Bring ‘Winter Blues’—For Rats, Not Humans

April 25, 2013

Biologists at UC San Diego have found that rats experience more anxiety and depression when the days grow longer. More importantly, they discovered that the rat’s brain cells adopt a new chemical code when subjected to large changes in the day and night cycle, flipping a switch to allow an entirely different neurotransmitter to stimulate the same part of the brain.

Discovery of Wound-Healing Genes in Flies Could Mitigate Human Skin Ailments

April 24, 2013

Biologists at UC San Diego have identified eight genes never before suspected to play a role in wound healing that are called into action near the areas where wounds occur.

Quest for Edible Malarial Vaccine Leads to Other Potential Medical Uses for Algae

April 19, 2013

Can scientists rid malaria from the Third World by simply feeding algae genetically engineered with a vaccine? That’s the question biologists at UC San Diego sought to answer after they demonstrated last May that algae can be engineered to produce a vaccine that blocks malaria transmission. In a follow up study, they got their answer: Not yet, although the same method may work as a vaccine against a wide variety of viral and bacterial infections.

UC San Diego Biologists Produce Rainbow-Colored Algae

March 7, 2013

What can green algae do for science if they weren’t, well, green? That’s the question biologists at UC San Diego sought to answer when they engineered a green alga used commonly in laboratories, Chlamydomonas reinhardtii, into a rainbow of different colors by producing six different colored fluorescent proteins in the algae cells.

Biology of Time Change

March 7, 2013

On March 10, clocks across the United States will be moved forward one hour, shifting an hour of daylight from the morning to the evening. It’s a time when many of us feel fatigued and listless. And it’s not just because of that lost hour of sleep.

Paul G. Allen Family Foundation Awards $1.6 Million to Young Investigator Suckjoon Jun

March 7, 2013

One of the newest faculty members at UC San Diego—Suckjoon Jun, an assistant professor of physics and molecular biology—has won a $1.6 million award from the Paul G. Allen Family Foundation.

Online Course Seeks to Educate World about Sustainable Food and Energy Issues

February 21, 2013

The University of California, San Diego is developing a free online course designed to educate students and anyone else around the world with a computer and an internet connection about the challenges and potential solutions for meeting the global demands of food and fuel in the 21st century.

Course Seeks to Educate World about Sustainable Food and Energy Issues

February 21, 2013

UC San Diego is developing a free online course designed to educate students and anyone else around the world with a computer and an Internet connection about the challenges and potential solutions for meeting the global demands of food and fuel in the 21st century.

Urey Hall Chemists Reveal History of Two Mysterious Space Rocks

January 31, 2013

Two unusual space rocks that survived their fiery falls through Earth’s atmosphere have ended up in the Urey Hall chemistry laboratory of Mark Thiemens, whose group identified one as a new class of Martian meteorite that likely originated from the Red Planet’s crust.

The Icon of Organic Chemistry

January 31, 2013

Ask any science major to name the toughest class they’ve had to complete in order to get into medical school or finish their undergraduate degree and, more than likely, the answer will be introductory organic chemistry.
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