Written and narrated by Alex Gladstein. Motion graphics by Lex Villena. Sound design by Isaac Reese and Regan Taylor.Music: "Countdown" and "2049" by Synthwave Goose.Photo Credits: Aristidis Vafeiadakis Zuma Press/Newscom, Vernon Yuen Zuma Press/Newscom, ID 12085637© Artem Samokhvalov| Dreamstime.com, ID 10620275© EmeraldUmbrellaStudio| Dreamstime.com, ID 53155927© Emma Frater Dreamstime.com, Photo 29566579 © Breakers Dreamstime.com, Roman Camacho Zuma Press/Newscom, ID 170668499© Michael Vi Dreamstime.com, ID 41034616© Bigapplestock| Dreamstime.com, ID 204283371© Brett Hondow|...…Written and narrated by Alex Gladstein. Motion graphics by Lex Villena. Sound design by Isaac Reese and Regan Taylor.Music: "Countdown" and "2049" by Synthwave Goose.Photo Credits: Aristidis Vafeiadakis Zuma Press/Newscom, Vernon Yuen Zuma Press/Newscom, ID 12085637© Artem Samokhvalov| Dreamstime.com, ID 10620275© EmeraldUmbrellaStudio| Dreamstime.com, ID 53155927© Emma Frater Dreamstime.com, Photo 29566579 © Breakers Dreamstime.com, Roman Camacho Zuma Press/Newscom, ID 170668499© Michael Vi Dreamstime.com, ID 41034616© Bigapplestock| Dreamstime.com, ID 204283371© Brett Hondow|...WW…