Science

by Michael Lester and Jeffrey Kluger

by Nolan Feeney

by Jeffrey Kluger

by Justin Worland

by Michael D. Lemonick

by Elizabeth Barber

by Noah Rayman

by Michael Grunwald

by TIME Photo

by Michael D. Lemonick

by Dan Kedmey

by Adam Glanzman

by Sam Frizell

by Alex Fitzpatrick and TIME Photo

by TIME Photo