Biological Sciences

This shy California shrew avoided the camera and the limelight — until now

March 4, 2025

Screenshot of video with two students looking at a shrew

UC Berkeley students have photographed California’s most elusive mammal alive for the first time.

A small, cute and elusive mammal native to sub-alpine regions of the Sierra Nevadahas been captured alive on camera for the first time by a team of UC Berkeley students.

The Mount...

No robot can match a squirrel’s ability to leap from limb to limb — until now

March 27, 2025

Screenshot from video

Engineers have designed robots that crawl, swim, fly and even slither like a snake, but no robot can hold a candle to a squirrel, which can parkour through a thicket of branches, leap across perilous gaps and execute pinpoint landings on the flimsiest of branches.

University of California, Berkeley, biologists and engineers are...

Scientists discover why obesity takes away the pleasure of eating

March 27, 2025

An outline of the human brain as seen from the side, filled with images of high-fat foods

The pleasure we get from eating junk food — the dopamine rush from crunching down on salty, greasy French fries and a luscious burger — is often blamed as the cause of overeating and rising obesity rates in our society.

But a new study by scientists at the...

‘Tremendously effective teachers’: Five UC Berkeley instructors receive Distinguished Teaching Award

March 27, 2025

The campus's highest honor for teaching excellence, the Distinguished Teaching Award underscores the profound impact instructors have on their students’ learning experiences and future careers.

Five UC Berkeley instructors have received the 2025 Distinguished Teaching Award, the campus’s highest honor for teaching excellence. The Academic Senate’s Committee on Teaching announced the selection on March 10, highlighting that this year’s recipients are “tremendously effective...

Seven faculty members named fellows of American Association for the Advancement of Science

March 27, 2025

Seven headshots of AAAS winners in circles against a blue backgroundSeven UC Berkeley faculty members from a broad range of fields are among the 2024 class of fellows elected to the American Association for the Advancement of Science (AAAS), one of the world’s largest general scientific societies and publisher of the Science family of journals.

The 471 new AAAS fellows...

AAC Brings “What is Understanding?” Conversation to L&S Staff

October 22, 2024

Aileen Liu (left), Jennifer Johnson-Hanks (middle), and Hernan Garcia speak in a panel.

On Wednesday, October 9, the College of Letters & Science Administrative Advisory Committee (AAC) hosted its inaugural L&S Brown Bag Lunch and Learn. One of several new initiatives by the recently revamped AAC, the Lunch and Learn provides L&S staff members an opportunity to connect with their colleagues and...

How an infectious disease researcher stays grounded during uncertain times

March 7, 2025

Russell Vance is an immunology professor, infectious disease researcher, and the director of UC Berkeley’s Cancer Research Laboratory. By studying the immune system’s response to bacteria that cause tuberculosis and dysentery, Vance hopes to apply those insights into other areas affecting public health, such as cancer.

Vance spoke with UC Berkeley writer Alexander Rony as the federal government was freezing and...

Six young faculty members named Sloan Fellows

February 18, 2025

Six headshots of UC Berkeley faculty named Sloan Fellows in 2025

Six young early career researchers at UC Berkeley have been awarded a prestigious Sloan Research Fellowship, granted annually to “honor exceptional researchers at U.S. and Canadian educational institutions whose creativity, innovation and research accomplishments make them stand out as the next generation of leaders,” according to an...

Watch a professor explain the evolutionary war that gave us caffeine

February 6, 2025

Screenshot of 101 of Coevolution video with Noah Whiteman and a monarch butterfly in the corner

Few of us think much about how our kitchens came to be full of so many thrilling tastes and aromas, like the warmth of cinnamon or the punchy bite of pepper. But when Noah Whiteman opens a cabinet, he sees not just ingredients for a...

Life cycles of some insects adapt well to a changing climate. Others, not so much.

January 31, 2025

Closeup of a grasshopper outside on the ground

Photo: Thomas Naef, 2022

As insect populations decrease worldwide in what some have called an “insect apocalypse,” biologists are desperate to determine how the six-legged creatures are responding to a warming world and to predict the long-term winners and losers.

A new study of Colorado grasshoppers shows that, while the answers are complicated, biologists...