Gajanan is an editor at TIME. Gajanan is an editor at TIME. A total solar eclipse will obscure the sun across Mexico, the U.S., and Canada on April 8 in a rare event. You can find a detailed map ...
A large, 20-year trial showed that speedy cognitive exercises could reduce the risk of Alzheimer's disease and other types of dementia. The question is, could these tasks be adapted into video games?