Science

by Adam Glanzman

by Helen Regan

by Tessa Berenson Rogers

by Kevin McSpadden

by Rishi Iyengar

by TIME Photo

by Jeffrey Kluger and Michael Lester

by Andy Tully/Oilprice.com

by Rachel Janik

by Jeffrey Kluger

by Justin Worland

by Justin Worland

by Sabrina Toppa

by Eliana Dockterman and Francesca Trianni

by Sarah Begley