Research & Innovation

The history of vaccine hesitancy, from smallpox to COVID-19

September 26, 2025

Vaccine policy made national headlines last week when the Centers for Disease Control and Prevention’s vaccine guidance committee met and scaled back recommendations around the COVID-19 booster and the combined MMRV shot. It’s far from the first time government vaccine policies have sparked heated discussion; since at least the turn of the...

Fossilized ear bones rewrite the history of freshwater fish

October 3, 2025

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, including middle ear bones similar to those in humans.

Two-thirds of all freshwater fish today — including more than 10,000 species, from catfish to popular aquarium fish like tetras and zebrafish — have this middle ear system, called the Weberian apparatus, which allows them to hear sounds at much higher frequencies than most ocean fish can, with a range close to that of humans.

University of California, Berkeley, paleontologist...

Berkeley microbiologist explains the wonder of viruses in 101 seconds

October 3, 2025

Screenshot from video

For many people, viruses are a scourge; they cause illness and even death, and the mere mention of them, whether they are harmless or cause the flu, sends many reaching for the disinfectant wipes.

But to Britt Glaunsinger, viruses are a wonder.

“I love efficiency, and viruses are masters at efficiency,” says...

History professor discusses how meat shaped Jewish-German relations in new book

October 3, 2025

At first, studying meat consumption in Germany may seem like a niche topic. But for UC Berkeley History Professor John Efron, meat offers a revealing lens into Jewish-German relations throughout centuries.

In his new book, “All Consuming: Germans, Jews, and the Meaning of Meat,” published earlier this year, Efron explores how meat in Germany from the Middle Ages until modern times – used in real and symbolic terms – served to distinguish Jews from Christians, along with Jews from each other. It simultaneously brought...

Researchers discuss the rise of tech authoritarianism at Social Science Matrix event

October 1, 2025

California is the global center of technological advancement. A recent panel of researchers from Berkeley Social Sciences and other scholars convened last week at the Social Science Matrix to discuss how the rise of powerful tech entities and the rapid diffusion of new technologies across the state is reshaping society.

The “California Spotlight on Tech Authoritarianism” event panelists discussed the implications of these advancements, the undermining of democratic processes and the expanding frontiers of tech authoritarianism....

Andrew Dillin on CURED, UC Berkeley’s new approach to advance medicine and global health

October 1, 2025

Andrew Dillin is a professor of immunology and molecular medicine in the Department of Molecular and Cell Biology (MCB). He would be in the Department of Neuroscience, too, if he wasn’t so dang busy.

In addition to his regular teaching and research duties, Dillin is developing the Division of Immunology and Molecular Medicine’s new curriculum while serving as the faculty co-director of the Robinson Life Science,...

Economics professor explores the impact of AI and tech layoffs in the Bay Area

October 1, 2025

For decades, San Francisco has been renowned as a major tech hub. But recently, the Bay Area has seen a slowdown in tech job opportunities, according to UC Berkeley Economics Professor Enrico Moretti.

Professor Moretti noted that declining tech job opportunities don’t only impact the tech industry — it affects the demand for local services through a “trickle...

UC Berkeley ranked No. 1 public school in the U.S. by the Wall Street Journal

September 30, 2025

Sather Gate with students in foreground

In new rankings released today (Monday, Sept. 29) by the Wall Street Journal and College Pulse, UC Berkeley was named the No. 1 public college in the country — the second year in a row it received the distinction.

Monday’s ranking comes one...

Psychology study confirms positive emotions fade faster than negative emotions

September 25, 2025

A new UC Berkeley Psychology study shows that not all emotions are created equal.

The study, titled "Letting Go of the Negative, Holding on to the Positive," tested whether emotions fade at different rates. It found that, over the course of time, negative emotions are more likely to persist.

The study was published in the Personality and Social Psychology Bulletin, one of the leading journals in social psychology research. It was designed by former Berkeley Psychology doctoral student...