Liz Roth-Johnson received her B.A. degrees in Molecular & Cell Biology and Music from UC Berkeley and recently finished her Ph.D. in Molecular Biology at UCLA, where she studied early development in fruit flies. Outside of the lab, Liz co-founded the K-8 science and engineering outreach program BEAM at UCLA and has worked extensively with the public outreach program Science & Food. Liz is delighted to be joining KQED Science as a 2014 AAAS Mass Media Fellow.
There’s a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers. From mountain boulders to the shells of tiny ocean creatures, follow the journey that sand takes through thousands of years across entire continents to wind up stuck between your toes.
Misplace your car keys? Forget to buy milk at the store? For those coping with a memory-impairing disease or injury, memory loss can be debilitating. New therapeutic brain implants could help patients overcome memory deficits.