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 ↓ 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 Can trees really save us from climate change? For eons, nature has relied on photosynthesis as a big way 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 ↓ 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 Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It's also...

You have the power to change your brain! Make watching our videos a habit and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Got a bad habit you just can’t seem to break? That’s because it’s literally wired into your brain. Every single thought, action, and feeling changes your brain. When repeated enough times, a habit is formed. This week we’ll talk about how an advert...

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 ↓ Come see me on Molly’s channel! https://youtu.be/MOmRQb7h5lw SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub I met Molly Burke a few months ago. She’s awesome. I absolutely love what she’s done on YouTube to bring awareness to living with...

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 Atlas Obscura to learn about the discovery of this place: https://youtu.be/mXc1ZeRlOe0 Grab a headset and experience the monarch forest in VR180: https://youtu.be/fSa605IfTiE The monarch butterfly migration is one of nature’s greatest events....

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 ↓ More vaccine info here: https://www.cdc.gov/vaccines/vac-gen/default.htm Special thanks to @theslowmoguys ! https://www.youtube.com/user/theslowmoguys Thanks to Gates Notes for Supporting PBS. Since the start of the coronavirus COVID-19 pandemic, the term...

Follow me to Science Magic Show Hooray! https://www.youtube.com/watch?v=d-idW62ibWQ SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Eating turkey this holiday season? Chowing down on a roast chicken? You’re eating a dinosaur! Entertain your family and friends with a little science lesson this year, and show them why bird bones tell us that birds...

Thank you to Morning Brew for supporting PBS. To learn more, head over to https://bit.ly/mbokaytobesmart We're on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓ Hold on to your butts. This episode is about… butts. The science and evolutionary history of your rear end, the down-low on your derriere, shining a little light where the sun do...

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 There’s a lot of confusion out there about what is and isn’t a dinosaur. And you’d be forgiven for being kinda...

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 to my new show Overview!! ►► https://youtu.be/Lt9qYvKFumM And remember: The universe will end, but not for a while… probably I don’t want to alarm you, but the world is going to end. All of this. Gone. And scientists are certain all of this will...

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 now! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don't miss a video! ►► http://bit.ly/iotbs_sub Stay informed. Stay cautious, but not scared. Listen to scientists and public health officials and follow...

You can learn more at https://curiositystream.com/smart Stay curious and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Have you ever noticed that warning about raw or undercooked seafood at the bottom of restaurant menus? Ever wondered why it’s there? Because fish carry a ton of parasites, and if they aren’t prepared correctly then those parasites can make it into your...

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 now! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Greetings, fellow Homo sapiens. Our species is the only remaining member of the genus of upright, walking...

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 Nord VPN for supporting PBS. For more information go to: https://nordvpn.com/iotbs and use code: iotbs We’re on PATREON now! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/...

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 ↓ Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in our species’ history. But Earth’s climate has changed before. How do we know that this time we’re the cause? We know thanks to ti...

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 ↓ Why the forest is more than the trees SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub Walk into any forest, and beneath your feet is an elaborate social network that helps make life on Earth possible. It’s called the “Wood Wide Web”, a mas...

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 Brilliant for supporting PBS. Learn more at: https://brilliant.org/BeSmart 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 everyone would jus...

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 Everyone lies. Even you and even me. We lie about small things and we lie about big things. We lie to help our...

You can learn more at https://curiositystream.com/smart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ The edge of everything used to be the edge of the map. But now, thanks to what we know about astrophysics and the universe, the edge of everything might not even exist… REFERENCES: http://www.pnas.org/content/15/3/168 https://arxiv.org/abs/1101...

We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart Follow me to Animal IQ: https://youtu.be/yPrQ3Pl-iEM ↓↓↓ More info and sources below ↓↓↓ Here’s a thought: What IS a thought? I know it involves my brain, and my brain is made of neurons. And my brain’s neurons are listening to other neurons all over my body. But how do those neurons actually work? Maybe you’ve heard...

Check out Two Cents! https://www.youtube.com/channel/UCL8w_A8p8P1HWI3k6PR5Z6w SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ The flu might feel like some minor illness that you don’t need to worry about much, but tens of thousands of people still die from it every year. And back in 1918, Flu killed up to 5% of the world’s population. Could a flu...

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 ↓ The fastest animal in nature isn't what you think it is. It's way, way smaller than that. Nature's tiniest creatures warp the laws of physics, and they do it in ways that even human engineers would gawk at. Using the power of super slow-motion macro video...

Thank you to Draper and its Hack the Moon initiative for supporting PBS Digital Studios | Learn more at https://wehackthemoon.com Physics Girl explores how We’ll Find the Aliens in Our Solar System! https://www.youtube.com/watch?v=zfqpYDVhXd8&t=1s Looking up at the stars makes you wonder: what and who is out there? And why haven’t we seen any other intelligent civilizations given the vast size and...

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 ↓ The largest pterosaurs like Quetzalcoatlus were closer in size to airplanes than birds. No flying animal alive today comes close to their huge size. So did giant pterosaurs actually fly? I went to see the fossil bones of the largest pterosaur that ever li...

It’s the Great American Read! Vote for America's favorite novel: https://to.pbs.org/2Jes2X5 ↓↓↓ More info and sources below ↓↓↓ English is a confusing language for many reasons. But the irregular verbs might be the most confusing part. Why is “told” the past tense of “tell” but “smold” isn’t the past tense of “smell”? It turns out that the study of irregular verbs can teach us a lot about how lang...