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  • Department of Evolution Ecology and Organismal Biology

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Megalodon illustration

The Megalodon was less mega than previously believed

A new study shows the Megalodon, a gigantic shark that went extinct 3.6 million years ago, was significantly more slender than earlier studies suggested.

By Jules Bernstein | January 21, 2024 | Science / Technology
Yucaipa wildfire

Native nations and UC scientists join together in climate fight

Indigenous land-management strategies have been largely missing from modern attempts to combat the effects of worsening climate change in California. A new $7 million grant aims to change that.

By Jules Bernstein | August 28, 2023 | Science / Technology, Students
Root nodules

Study improves understanding of how bacteria benefit plant growth

UC Riverside-led research aims to improve sustainable agricultural practices

By Iqbal Pittalwala | July 24, 2023 | Science / Technology
Ocotillo plant

Even Sonoran Desert plants aren’t immune to climate change

In North America’s hottest, driest desert, climate change is causing the decline of plants once thought nearly immortal and replacing them with shorter shrubs that can take advantage of sporadic rainfall and warmer temperatures.

By Jules Bernstein | March 27, 2023 | Science / Technology
UCR undergraduates sampling chaparral post-fire recovery in the Angeles National Forest Powerhouse Fire burn scar in the summer of 2019.

UCR ecologists work toward post-fire rebirth of healthy landscapes   

The worst fire impacts this year are predicted to hit Northern California’s higher elevation forests and Southern California’s chaparral-clad mountainous National Forest lands. To aid recovery, UC Riverside ecologists are collaborating with the US Forest Service to target these spots with new post-fire ecological restoration strategies.

By David Danelski | May 10, 2022 | Science / Technology
girl in gym

Childhood diet and exercise creates healthier, less anxious adults

Exercise and a healthy diet in childhood leads to adults with bigger brains and lower levels of anxiety, according to new UC Riverside research in mice.

By Jules Bernstein | April 7, 2021 | Science / Technology
corn roots in the ground

Some domesticated plants ignore beneficial soil microbes

Domestication yielded bigger crops often at the expense of plant microbiomes

By Holly Ober | March 10, 2020 | Science / Technology
wild male and female guppies. Credit: Harold Olsen

Guppies teach us why evolution happens

Guppies, a perennial pet store favorite, have helped a UC Riverside scientist unlock a key question about evolution: Do animals evolve in response to the risk of being eaten, or to the environment that they create in the absence of predators? Turns out, it’s the latter. David Reznick, a professor...

By Jules Bernstein | September 17, 2019 | Science / Technology
guppies

Ladies’ choice: What drives faster, flashier formation of new animal species

Evolution is actually a Sadie Hawkins dance, as new research shows females not only determine whether male animals develop bright colors, but also how fast new species develop. Research led by David Reznick, a UC Riverside biology professor, used fish often seen in pet stores, like guppies and swordtails, to...

By Jules Bernstein | July 26, 2019 | Science / Technology

High-speed videos capture how kangaroo rat escapes rattlesnake attack

Bipedalism may have been favored in kangaroo rats to avoid ambush predators like vipers and owls, says UC Riverside biologist

By Iqbal Pittalwala | March 27, 2019 | Science / Technology

Study finds natural selection favors cheaters

UC Riverside research focused on interaction between nitrogen-fixing bacteria and their hosts

By Iqbal Pittalwala | March 19, 2019 | Science / Technology
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