Be Smart.

Learn the basic science of climate change in 24 easy steps. Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it's primarily because of humans putting lo...

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 ↓ Thanks to IBM Z for supporting PBS. To learn more about the annual student contest, go to https://ibm.co/2nVdMtD . To learn more about IBM Z go to https://ibm.co/2nVagPR Check out or friends from Two Cents for more great videos about money and finance! ht...

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 ↓ We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub The finest burritos in the world are made in San Francisco’s Mission District. But how can you get a hot & fre...

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 ↓ We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Here we are, just a year after the first news of the coronavirus we now call SARS-CoV-2 and the global pandemi...

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 ↓ Do you ever freak out about the scale of time and space? Me too! Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub From the very large to the very small, the universe is an amazing place. Here's my favorite ways to explore its scale. Explor...

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 ↓ Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.com It took about a century for black holes to go from impossible, to theoretical, to real. And it was just this year, in 2019, w...

So… baby teeth are pretty terrifying, huh? Remember to brush, floss, and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Teeth. We’ve all got ‘em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind. They are strong enough to last hundreds of millions of years. Oh, and if you’ve ever wondered how adult tee...

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 ↓ Thank you for The Great Courses Plus for supporting PBS. To learn more click http://ow.ly/3fCw30qmlF1 We’re on PATREON now! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub If t...

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 ↓ SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub We’re on PATREON now! Join the community ►► https://www.patreon.com/itsokaytobesmart If you were taking an engineering class in school and you turned in the human body for your final exam… yo...

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 ↓ Your brain is hungry. Here's how to feed it. SUBSCRIBE, it's FREE! http://bit.ly/iotbs_sub Ever wonder why we cook our food? We do it because it tastes good, of course, and because our customs and traditions are built around it. But we also cook our food...

To learn more about The Great Courses Plus visit http://ow.ly/Mq4F30oTjJp SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Butterfly metamorphosis is still a bit of a mystery. What happens inside a chrysalis to turn a caterpillar into a beautifully painted butterfly? Does it really turn to soup? I visited Dr. Arnaud Martin, who uses the CRISPR gen...

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 ↓ We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Download iNaturalist to join the It’s Okay to be Smart global survey project and submit your observations! htt...

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 ↓ Follow me to MONSTRUM! https://youtu.be/x-GjSU4nOxE SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Ever feel like you aren't totally yourself? Well, maybe you aren't. In this video, we explore the idea of human chimeras. In mythology, the...

When it comes to science, is there a monster in us all? Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Are you watching "Frankenstein, MD"? Check it out: http://bit.ly/Y9HYz8 "Experiments on the Revival of Organisms" full video: http://www.youtube.com/watch?v=KDqh-r8TQgs Murder Act and Anatomy Act: http://brainblogger.com/...

And where do they keep their suitcases? Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub As winter approaches, V-shaped flocks glide overhead as the world's birds begin their long treks to warmer climates. Humans used to have some pretty crazy theories about where b...

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 ↓ This is a VR180 video so pop on your Google Cardboard or VR Headset to be totally immersed in our world! No headset? No problem. Move your mobile phone around and catch the total 180 experience! We’re on PATREON now! Join the community ►► https://www.patr...

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 ↓ We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Could humans ever evolve to have wings? Why don’t fish have propellers? Why don’t tigers have wheels? Why don’...

What you need to know about one of nature's scariest viruses. Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub Read David Quammen's "Ebola": http://amzn.to/1wBLmzw Ebola infection/death simulation from Washington Post: http://bit.ly/ebola_sim Read the original...

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 ↓ We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Celebrate the Hubble Space Telescope’s 30th Birthday with us: https://hubblesite.org/hubble-30th-anniversary h...

We've got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks? Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub David Wolman's "A Left Hand Turn Around the World" http://amzn.to/1wYqOS...

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 ↓ A poet once said, "The whole universe is in a glass of wine." We will probably never know in what sense he said that, for poets do not write to be understood. But it is true that if we look in glass of wine closely enough we see the entire universe There...

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 ↓ SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba...

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 ↓ Thanks to Bill and Melinda Gates for sponsoring today's video. Check out their Annual Letter here: http://www.inflcr.co/SH1jP We’re on PATREON now! Join the community ►► https://www.patreon.com/itsokaytobesmart If you tried to sum up the last 150 years or...

But did thee feel the Earth move? We’re on PATREON! Support our show: https://www.patreon.com/itsokaytobesmart ↓ More info and sources below ↓ Why do Africa and South America fit together? Anyone who’s ever looked at a map can see that Earth’s continents are kind of like a jigsaw puzzle. The idea that continents are constantly moving and weren’t always in their current spots is a pretty obvious id...

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 ↓ We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub SARS-CoV-2 and COVID-19 are nasty enemies. Invisible, mysterious, and deadly, they have spread around the worl...