How Did Animals Eat Before Mouths?

Before the evolutionary advent of mouths and digestive systems, eating looked incredibly different on Earth. In a study appearing in Geobiology, UC Davis researchers reexamine fossils from half a billion years ago to learn how an enigmatic organism called Dickinsonia fed.

Reading Into Climate Change with L&S Authors

Explore new interpretations of classic land ethics, multiple cases of climate action and land sovereignty and witness how past generations reacted to the changing climate. Scholars from across the College of Letters and Science provide insight into how human action and inaction has influenced the natural environment around us.

Nowcasting and the Kamchatka Earthquake

The July 29 earthquake on Russia's Kamchatka peninsula was among the most powerful recorded by modern instruments, setting off tsunami warnings around the Pacific rim. John Rundle, Distinguished Professor in the departments of Physics and Astronomy and of Earth and Planetary Sciences at UC Davis, had previously included the Kamchatka region in an analysis of earthquake risk published in 2018.

Rainy Tropics Could Face Unprecedented Droughts as an Atlantic Current Slows

Some of the rainiest places on Earth could see their annual precipitation nearly halved if climate change continues to alter the way ocean water moves around the globe. In a new study, scientists revealed that even a modest slowdown of a major Atlantic Ocean current could dry out rainforests, threaten vulnerable ecosystems and upend livelihoods across the tropics.

Celebrate Picnic Day with L&S

In its 116th year, Picnic Day is one of UC Davis’ most revered — and most fun! — traditions. From the amazing exhibits and yummy food, to the artistic and scientific demonstrations and everything in-between, here at the College of Letters and Science, we love this annual celebration.