Two Faculty Members Named Packard Fellows

Two Caltech faculty members have been awarded Packard Fellowships for Science and Engineering. Biologist Alexei Aravin and astronomer John Johnson each were awarded $875,000, to be distributed over five years.

"I'm very excited about this fellowship," says Aravin, an assistant professor of biology. "It will allow my lab to pursue new, ambitious goals that are difficult to fund using traditional sources."

Wordy Worms

Lurking in the crevices of our planet are millions and millions of microscopic worms. They live in soil, plants, water, ice, wildlife, and sometimes even humans. In fact, nematodes—also known as roundworms—are among the most abundant and diverse animals on Earth, where they play a variety of roles.

Traveling with Purpose

Pamela Bjorkman has been studying HIV at Caltech since 2005. In the lab, she has made significant gains in the fight against the virus, developing antibodies that neutralize most strains. But years spent at the bench were beginning to make her feel disconnected from the possible impact of her work. So this summer she visited India, spending time with HIV-positive women and others who are at risk.

Caltech Again Named World's Top University in <i>Times Higher Education</i> Global Ranking

PASADENA, Calif.—The California Institute of Technology (Caltech) has been rated the world's number one university in the 2012–2013 Times Higher Education global ranking of the top 200 universities.

Oxford University, Stanford University, Harvard University, and MIT round out the top five.

Caltech Biologist Named MacArthur Fellow

Sarkis Mazmanian, a microbiology expert at the California Institute of Technology (Caltech) whose studies of human gut bacteria have revealed new insights into how these microbes can be beneficial, was named a MacArthur Fellow and awarded a five-year, $500,000 “no strings attached” grant.

Ready for Your Close-Up?

As the saying goes, "A picture is worth a thousand words." For people in certain professions—acting, modeling, and even politics—this phrase rings particularly true. Previous studies have examined how our social judgments of pictures of people are influenced by factors such as whether the person is smiling or frowning, but until now one factor has never been investigated: the distance between the photographer and the subject. According to a new study by researchers at the California Institute of Technology (Caltech), this turns out to make a difference—close-up photo subjects, the study found, are judged to look less trustworthy, less competent, and less attractive.

Moving Targets

At any given moment, millions of cells are on the move in the human body, typically on their way to aid in immune response, make repairs, or provide some other benefit to the structures around them. When the migration process goes wrong, however, the results can include tumor formation and metastatic cancer. Little has been known about how cell migration actually works, but now, with the help of some tiny worms, researchers at the California Institute of Technology (Caltech) have gained new insight into this highly complex task.

Two Caltech Researchers Receive NIH Director's Awards

Two members of the California Institute of Technology (Caltech) faculty have been given National Institutes of Health (NIH) Director's Awards. The awards are administered through the NIH's Common Fund, which provides support for research deemed to be both innovative and risky.

Modeling the Genes for Development

As an animal develops from an embryo, its cells take diverse paths, eventually forming different body parts—muscles, bones, heart. In order for each cell to know what to do during development, it follows a genetic blueprint, which consists of complex webs of interacting genes called gene regulatory networks. Now, for the first time, biologists at Caltech have built a computational model of one of these networks.

Caltech Researchers Find Evidence of Link between Immune Irregularities and Autism

A new Caltech study suggests that specific changes in an overactive immune system can contribute to autism-like behaviors in mice, and that in some cases, this activation can be related to what a developing fetus experiences in the womb.

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