Uploaded January 2020 | Updated September 2026, 1 hour ago

---

(Credit: Christina Hansen Wheat)
Subscribe: youtube.com/subscription_center?add_user=discovermagazine

FOLLOW US:
Facebook: facebook.com/DiscoverMag
Twitter: twitter.com/DiscoverMag
Google+: plus.google.com/+discovermagazine
Web: discovermagazine.com

From gluons to galaxies, Discover Magazine is your best source for smart, accessible science coverage.