Tiny metal electrodes are attached to Albert Einstein's head to pick up impulses from his brain and to magnify and record them for study in 1950 in Princeton, N.J. Dr. Alejandro Arellano kneels beside him.
A question: can you predict Alzheimer's by a careful analysis of someone’s writing? An English professor has suggested there are tell-tale signs of early Alzheimer's in Agatha Christie’s book, Elephants Can Remember.
The O. avoseta bee builds a tiny nest about a half-inch long using petals from the flower Onobrychis viciifolia. Each nest usually houses a single egg.
Jerome Rozen/American Museum of Natural History