Science

by Laura Stampler

by Samantha Grossman

by Helen Regan

by Nolan Feeney

by Alexandra Sifferlin

by Michael D. Lemonick

by Alexandra Sifferlin

by Elizabeth Barber

by Charlotte Alter / New York

by Michael D. Lemonick

by Bryan Walsh

by Mia Tramz

by Jeffrey Kluger

by TIME Staff

by Jeffrey Kluger