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The sticky physics that let geckos do what they do! We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart ↓ More info and sources below ↓ Geckos can grip and climb almost anything. Walking up walls, hanging upside down… even from glass. It’s almost like they can defy gravity. How do they do it? The secret lies in nanotechnology. I’ll tell you how that works and how scien...

To learn more about Brilliant, check out https://brilliant.org/BeSmart/ SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ They say everyone has a doppelgänger, but is that really true? This week we meet a young woman who found her own look-alike, and figure out how we actually recognize faces. TEST YOUR FACE MEMORY! Cambridge Memory Test http://bit...

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 One of the most effective things you can do to protect yourself from catching a germ and becoming a statis...

“In Our Nature” is a NEW special limited series on It’s Okay To Be Smart! SUBSCRIBE so you don’t miss the next episode! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Seemingly distant ecosystems, even half a world apart, are connected in surprising ways. In this special limited series, Emily Graslie and Trace Dominguez join me as we explore the universal rules of life that tie tog...

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 Why does everyone use a 7 day week, and where did it come from? Where do the names of the days come from? 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 ↓ 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 Half a century ago, a...

Learn more about opportunities from KiwiCo here: https://www.kiwico.com/okay SUBSCRIBE so you never miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ What do raindrops look like? Exactly how we drew them as kids, right? Wrong! Teardrop-shaped rain is physically impossible. This week I went inside a vertical wind tunnel to bring you the true shape of rain. Special thanks...

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 ↓ Check out Say It Loud from PBSDS ►► https://www.youtube.com/SayItLoudPBS SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub The eyes are often the first thing we see when we look at someone. And when you look at them up close, everyone’s eye...

I mean… how do you really know? SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here. REFERENCES: http://exoplanet.eu/ Kalten...

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate This video was supported by Bill and Melinda Gates. You can check out the Gates Annual Letter here: http://b-gat.es/2lhhtmJ. ↓ More info and sources below ↓ We’re proud to collaborate with Bill and Melinda Gates for this week’s video! It may sometimes seem like things are gett...

Learn more about opportunities from KiwiCo here: https://www.kiwico.com/okay SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Nothing is guaranteed in life except death, taxes, and entropy. What do other life forms have to teach us about staying alive as we get old, and will we ever conquer death? REFERENCES: Arias, E. et al. (2013). United States...

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 ↓ You can check out Google's Science Journal app at http://g.co/ScienceJournal We’ve all gotten dizzy before… but have you ever gotten WEIRD DIZZY? I teamed up with Vanessa Hill from BrainCrat to answer the question “why do we get dizzy?” and in the process...

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 ↓↓↓ You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet? ----------- FOLLOW US: Twitter: @DrJoeHanson @okaytobesmart Instagram: @DrJoeHanson Merch: https://store.dftba.com/collections/its-okay-to-be-sma...

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...