Picture This

Does Mona Lisa’s smile jog your memory? This is Sandra Tsing Loh with the Loh Down on Science. Snapchat! Instagram! Good ol’ Kodachrome! We count on them to help us relive the good times. But could just the ACT of taking a photo help us remember the moment? Alixandra Barasch

Peak Performance

Over forty? Good news! This is Sandra Tsing Loh with the Loh Down on Science, saying: Your brain’s best years are still ahead! It’s been thought that mental speed and memory peak for people in their twenties. And knowledge that builds with time and experience, like your vocabulary, has seemed