Be Smart.

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ My ode to space exploration and Discovery... Galileo would have made a great astronaut. Click here to SUBSCRIBE, it's FREE! -- http://bit.ly/iotbs_sub Why do we go to space? In the beginning of our space program, the answer had a lot to do with war and pa...

Get the FACTS about climate change: http://youtu.be/ffjIyms1BX4 Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it...

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ How are we looking and listening for intelligent life? Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub Now that we know planets are common in our galaxy, how would we tell if one holds life? Sure, it will take incredibly powerful telescop...

Learn more about CuriosityStream at https://curiositystream.com/smart Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ The other day I got bored and noticed this weird thing happened when I held my finger up to my eye, so I had to science it and figure it out! Let me know if you try these light-bending experiments too, especially that last one th...

Try 23andMe: http://www.23andme.com/okay Make sure we don’t go extinct and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and dinosaurs, would be cool. But is it really as easy as the movies make it look? Or do the cruel hands of time make it impossible? This weel we look...

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 purchase of a website or domain.↓↓↓ More info and sources below ↓↓↓Follow me to @pbsterra and watch Overview to celebrate Earth Month with PBS: https://youtu.be/ivoV1rwiYJkPBS Earth Month Playlist: https://www.youtube.com/playlist?list=PLnNZYWyBGJ1...

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Don’t be hard-headed. You should SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSbang Share on FB ⇒ http://bit.ly/OKTBSbangFB ↓ More info and sources below ↓ Translate this video: LINK TKTK Want to wear your love for science? We’ve got merch: http://df...

The dumb things we do for love make a lot more sense than you think…↓↓↓ More info and sources below ↓↓↓Love makes people do ridiculous things: quit jobs, cross continents, build monuments, and ignore every red flag in sight. But what if that's exactly what love evolved to do? This video explores the neuroscience, psychology, and evolutionary biology of romance to explain why love can feel irration...