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Avocados come in 2 varieties - A-types start each day female and switch to male midday. B-types do the reverse. In work just published from the last chapter of my PhD, we show this system evolved 40+million yrs ago and is regulated by alleles of 1 transcription factor www.pnas.org/doi/10.1073/...

Balanced polymorphism in a floral transcription factor underlies the ancient rhythm of daily sex alternation in avocado | PNASIn avocado and certain wild relatives in Lauraceae, a highly synchronized daily rhythm of floral sex timing promotes cross-pollination between two ...www.pnas.org

#UCDavis Professor Paul Griffin. Nature is Good for Business. www.ucdavis.edu/curiosity/bl... @ucdavis.bsky.social @ucdavisnews.bsky.social

The Conversation: Is Nature Good For Business?Nature is good for business – and we now have numbers to show it.When rivers degrade, pests spread or drought hits crops, nature sends a bill.Yet it’s one rarely itemised on any balance sheet, because...www.ucdavis.edu

“We found that what causes extinction is not that plants aren’t moving fast enough,” said senior author Xiaoli Dong. “It is that a large amount of suitable habitat by the end of the century is going to be gone." www.ucdavis.edu/climate/news...

Study Projects Plant Extinction Rates Through 2100A UC Davis study in Science found that 7% to 16% of global plant species studied face high risk of extinction by 2100 under current climate change projections.www.ucdavis.edu

Every dollar spent on forest fuel treatments saves about $3.75 in wildfire damages, according to a new study, led by researchers at @ucdavis.bsky.social. Learn more. @science.org www.ucdavis.edu/climate/news...

Forest Fuel Treatments Reduce Wildfire Spread, Prevent $2.8 Billion in DamageA UC Davis study finds every dollar spent on forest fuel treatments saves $3.75 in wildfire damages.www.ucdavis.edu

Evolution proceeds in bursts. A new UC Davis study shows that the ability to nibble and scrape food off hard surfaces set off such a burst 50 million years ago, leading to the profusion of reef fish species www.ucdavis.edu/news/fish-ev...

Fish Evolution Accelerated After Adapting to Eat off Hard SurfacesWhy are there so many of species of coral reef fish? According to a new study, it’s because about 50 million years ago, some fish figured out how to bite food from hard surfaces. Evolution doesn’t pro...www.ucdavis.edu

When wildfires burn study sites or funding freezes, our researchers don’t quit, they pivot. From tracking megafire impacts to discovering coral reef resilience, they turn setbacks into breakthroughs for our changing world. Learn about how they overcome the challenges they face: ucdav.is/3OqIgQQ

From "cattle vision goggles" to goat-handling machines that let the animals "be with a friend," our latest episode explores new tools to help people see how livestock perceive their world, helping them and the people who raise them. Listen now! @katkerlin.bsky.social www.ucdavis.edu/news/podcast...

Where Science Meets the HerdWe put on a pair of “cattle vision” goggles to see how livestock perceive their world. Learn why understanding that is better for the animal and the rancher.www.ucdavis.edu

The images of Earth from Artemis are amazing. But if we destroy our ability to understand (and live on) our planet, all they are is pretty pictures www.nytimes.com/2026/04/08/o...

Opinion | NASA Flew by the Moon, but Behind the Scenes, Its Science Is a Chaotic Messwww.nytimes.com

Sixteen elephant seals, one sea otter and one sea lion in California’s San Mateo County tested positive for highly pathogenic avian influenza (HPAI) #H5N1, confirmed by the @usdagov.bsky.social U.S. Dept. of Agriculture’s National Veterinary Services Laboratory last month. ucdav.is/4cZIvvR

A lethal form of bird flu, which has already killed tens of thousands of elephant seals in the Southern Hemisphere, is now spreading in a colony of elephant seals in California, scientists said on Wednesday.

Bird Flu Strikes California Elephant Seals for the First TimeThirty seals, primarily weaned pups, have died since late last week, scientists said.nyti.ms

We're getting back into the swing of things and we have some elements of science communication that we hope are "in" and "out" this year. #ScienceForChange #CommunicationSkills #StrategicMessaging #ScienceCommunication #SciComm #ScienceEngage

I 'll have a special rapid-response livestream for 8:30am PT today to discuss dire implications of this proposal to dismantle NCAR. Due to extreme fire weather in Boulder today (and associated pre-emptive power outages/NCAR closure), I am going live ASAP. www.youtube.com/live/FTKW68R...

Special rapid response stream re: proposed dismantling of National Center for Atmospheric ResearchYouTube video by Weather Westwww.youtube.com

Federal Funding Protects California’s Future #FromLabstoLives www.ucdavis.edu/health/news/...

Federal Funding Protects California’s FutureWhen Tommy Ma and Tiffany Pan adopted a 3-month-old Ragdoll kitten named Lychee in 2022, they expected joy, not heartbreak.“Lychee was a dream come true,” Pan said. “Growing up, I’d never been allowed...www.ucdavis.edu

Central California is currently experiencing one of the most remarkable temperature inversions I've ever seen in this part of the world. The Central Valley remains miserably damp & chilly under dense fog layer, but it's balmily warm & sunny just 2,000ft up nearby mountain slopes!

“This is, I think, one of the more dramatic scrubbings we’ve seen so far in the climate space,” said Daniel Swain @weatherwest.bsky.social, a climate scientist @ucanr.edu, reports @shannonosaka.bsky.social wapo.st/4pXFvDw

The EPA is wiping mention of human-caused climate change from its websiteSome pages have been tweaked to emphasize ‘natural forces’; others have been deleted entirely.wapo.st

California's tomato growers have a highly efficient system to get tomatoes from field to cannery. In a bit of good news, UC Davis researchers find the tomato chain likely isn't vulnerable to climate change. www.ucdavis.edu/food/news/ri...

Rising Heat Leads to Minimal Losses for California Processing TomatoesCalifornia’s $1 billion processing tomato industry is highly efficient and likely will be able to withstand higher temperatures from climate change, as well as traffic.www.ucdavis.edu

UC Davis is the “greenest” campus in North America and seventh most sustainable campus in the world, according to the 2025 UI GreenMetric World University Rankings: ucdav.is/4poPbqS