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How HIV Started a Century Before Anyone Noticed
Be Smart
Added: 1 week ago
↓↓↓ More info and sources below ↓↓↓ For decades, one man was blamed for bringing AIDS to America. But the "Patient Zero" story was wrong. This is the story o...
Fact vs. Theory vs. Hypothesis vs. Law… EXPLAINED!
Be Smart
Added: 3 weeks ago
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Think you know the difference? Don...
The New Kind of Heat Humans Can’t Handle
Be Smart
Added: 4 weeks ago
It's getting hot in here… can we survive it? ↓↓↓ More info and sources below ↓↓↓ I pushed my body to the edge in a climate & sports research lab to discover ...
Could Your Dopplegänger Actually Be Related to You?
SciShow
Added: 1 month ago
This video was sponsored by Battle for Cattle. Play the game online at http://battleforcattle.com or download it for iOS in Apple’s App Store and Android in ...
Infinity isn’t a number. It's something much weirder.
Be Smart
Added: 1 month ago
Learn more about AnyDesk here: https://anydesk.com/besmart Support us on Patreon / itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓ Infinity sounds sim...
Trying to Land a Plane (to Prove the Dunning-Kruger Effect)
Be Smart
Added: 1 month ago
SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart ↓↓↓ More info ...
How Do Bees Make Honey?
Be Smart
Added: 1 month ago
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Let PBS know more about you and wh...
5 Weird Involuntary Behaviors Explained!
Be Smart
Added: 1 month ago
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Why we yawn, why we hiccup, twitch...
Traffic Lights Are So Much Weirder Than You Realize
Be Smart
Added: 1 month ago
Thank you to Squarespace for supporting PBS. Go to https://www.squarespace.com/besmart for a free trial and use code BESMART to save 10% off your first purch...
The Unbelievable Science of How We Read
Be Smart
Added: 2 months ago
Check out Otherwords on @pbsstoried! https://www.youtube.com/pbsstoried We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart ↓↓↓ Mo...
The Strange Cosmic Origin of Earth’s Most Precious Metals
Be Smart
Added: 2 months ago
Follow me to The Bigger Picture on @PBS https://youtu.be/Wnr4RJxDifw SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sourc...