By Jocelyn Solis-Moreira
By Jack Izzo
By Charlotte Hu
By Yasmin Tayag
By Annalee Newitz
By Jack Herrera
By Sara Kiley Watson
By Sandra Gutierrez G.
By Oscar Schwartz/Undark
By Stan Horaczek
By Rob Verger
By Shaunacy Ferro
By Dan Nosowitz
By Colin Lecher
Sign up to receive Popular Science’s emails and get the highlights.