UC San Diego, Author at ScienceBlog.com

$Ramsey problems, such as r(4,5) are simple to state, but as shown in this graph, the possible solutions are nearly endless, making them very difficult to solve. (cr: Jacques Verstraete)$

The Math Problem That Took Nearly a Century to Solve

New Biomarker Predicts Whether Neurons Will Regenerate

The screen-printed, flexible sensors are attached to the earbuds on a flexible, stamp-like surface.

Earbuds Record Brain Activity and Exercise Levels

Monthly #MedEd posts to X are on the rise as health professionals use social media to learn and teach the art of medicine. (Image courtesy of John W. Ayers)

#MedEd: How Doctors Use Social Media to Advance Medicine

Systemic transplantation of wild-type hematopoietic stem and progenitor cells (green) led to their differentiation into microglia-like cells (red), which reduced the amount of beta amyloid plaques (magenta) in the brain.

Stem cell therapy rescues symptoms of Alzheimer’s

Credit: Jason Doiy/iStock Storm waves lash city streets in Pacifica, Calif., Jan. 6, 2023.

California’s winter waves may be increasing under climate change

Example of new UC San Diego device that can grip objects with no electronics involved.

This 3D Printed Gripper Doesn’t Need Electronics To Function

UC San Diego scientists contest longstanding hypothesis about mysterious illness affecting Gulf War veterans, providing first direct evidence that symptoms are driven by impaired mitochondria

Gulf War Illness Caused by Mitochondrial Dysfunction, Not Inflammation

A honey bee visits a white sage plant. Researchers have shown that pollination by honey bees, which are not native to the Americas, produces offspring of considerably inferior quality (lower fitness) than offspring resulting from native pollinators.

Plants pollinated by honey bees produce lower-quality offspring

Researchers from UC San Diego have found that honey bees, which are non-native to the Americas, produce plant offspring of lower quality compared to native pollinators in the San Diego region. Honey bees tend to visit more flowers on a single plant, leading to self-pollination and reduced fitness of the resulting plant offspring. This study highlights the importance of native pollinators for the preservation of native plant species in the face of invasive plant species and emphasizes the need for conservation efforts focused on native plants and bees.

UC San Diego