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Dr. Sheila S. David
ssdavid@ucdavis.edu
(530)-752-4280

Department of Chemistry
One Shields Ave.
Davis, CA 95616

That dry, bitter taste may be waking up your brain February 7, 2026
New research suggests the astringent sensation caused by flavanols could act as a direct signal to the brain, triggering effects similar to a mild workout for the nervous system. In mouse experiments, flavanol intake boosted activity, curiosity, learning, and memory—despite these compounds barely entering the bloodstream. The key appears to be sensory stimulation: the taste […]
These 773,000-year-old fossils may reveal our shared human ancestor February 7, 2026
Fossils from a Moroccan cave have been dated with remarkable accuracy to about 773,000 years ago, thanks to a magnetic signature locked into the surrounding sediments. The hominin remains show a blend of ancient and more modern features, placing them near a pivotal branching point in human evolution. These individuals likely represent an African population […]