From It’s OK to be Smart. 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…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ A human with the metabolism of a hummingbird would need to eat about 80,000 calories a day to survive. That’s because staying warm by making…

From It’s OK to be Smart. Head over to Animal IQ on Terra: https://youtu.be/Nc3mUNkJZZk Celebrate Earth Day with other PBS Channels! https://bit.ly/32nmIsp 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 ↓↓↓ More info and sources below ↓↓↓ Ocean currents are our planet’s circulatory system, and they…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ The finest burritos in the world are made in San Francisco’s Mission District. But how can you get a hot & fresh one in New…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Could humans ever evolve to have wings? Why don’t fish have propellers? Why don’t tigers have wheels? Why don’t zebras have laser turrets? These might…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ The golden ratio. Some say it’s the most mythical number in the universe. Others say it underlies everything from nature’s patterns to beauty in art…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ When is now? Seems like a pretty simple question… just look at your watch. But do you and I share the same “now”? Let’s journey…

From It’s OK to be Smart. More vaccine info here: https://www.cdc.gov/vaccines/vac-gen/default.htm Special thanks to @The Slow Mo Guys ! https://www.youtube.com/user/theslowmoguys ↓↓↓ More info and sources below ↓↓↓ Thanks to Gates Notes for Supporting PBS. Since the start of the coronavirus COVID-19 pandemic, the term “herd immunity” has been all over the news. But what does…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Everyone lies. Even you and even me. We lie about small things and we lie about big things. We lie to help ourselves and we…

From It’s OK to be Smart. Thank you to CuriosityStream for supporting PBS! For more information, go to https://curiositystream.com/smart and USE code SMART. ↓↓↓ More info and sources below ↓↓↓ Follow me to Overview on PBS Terra! https://www.youtube.com/watch?v=hjez0W8SPXc Glass is made of sand, which is a kind of rock. But glass is transparent, and rocks…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Here we are, just a year after the first news of the coronavirus we now call SARS-CoV-2 and the global pandemic known as COVID-19… and…

From It’s OK to be Smart. Thank you to Target for supporting PBS. You can learn more at: ​https://target.com/community Share your story today: ​https://to.pbs.org/3izZeXh ↓↓↓ More info and sources below ↓↓↓ You’ve probably heard of Ben Franklin and the kite. But do you know the TRUE story of how his famous experiment changed the world?…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Why does everyone use a 7 day week, and where did it come from? Where do the names of the days come from? And who…

From It’s OK to be Smart. Check out Self-Evident on PBS Voices: https://youtu.be/HY_uZfCeljU 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…

From It’s OK to be Smart. Subscribe to my new show Overview!! ►► https://youtu.be/Lt9qYvKFumM And remember: The universe will end, but not for a while… probably ↓↓↓ More info and sources below ↓↓↓ I don’t want to alarm you, but the world is going to end. All of this. Gone. And scientists are certain all…

From It’s OK to be Smart. Take the PBS Digital Studios annual survey: http://to.pbs.org/2020survey Subscribe to @Ant Lab and @Physics Girl!!! ↓↓↓ 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…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Time passes for all of at the saem rate of one second per second. But why does it sometimes feel like time is passing so…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Having bones is pretty cool. They make our blood, let us hear, and keep us from being just a squishy puddle on the floor. But…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Bottom line: Masks work. They are safe for almost everyone to wear, and the more people that wear them along with adhering to physical distancing…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It’s also a sign that you…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ There’s a lot of confusion out there about what is and isn’t a dinosaur. And you’d be forgiven for being kinda confused. Maybe paleontologists are…

From It’s OK to be Smart. Follow me to @thebrainscoop! https://youtu.be/GB1IXOeOzpI We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart ↓↓↓ 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…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Viruses keep jumping out of nature and into humans, and getting us very sick in the process. So why do zoonotic spillovers like SARS-CoV-2 happen,…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Download iNaturalist to join the It’s Okay to be Smart global survey project and submit your observations! https://www.inaturalist.org/projects/it-s-okay-to-be-smart-global-survey Learn more about iNaturalist and citizen science:…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ SARS-CoV-2 and COVID-19 are nasty enemies. Invisible, mysterious, and deadly, they have spread around the world and caused much of humanity to hide away. Germs…

From It’s OK to be Smart. 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 ↓↓↓ More info and sources below ↓↓↓ Celebrate the Hubble Space Telescope’s 30th Birthday with us: https://hubblesite.org/hubble-30th-anniversary https://www.nasa.gov/content/hubbles-30th-anniversary “Disorientation” by Dr. Katie Mack https://www.youtube.com/watch?v=2wT1-bRj9wI Check out Katie’s book "The End of Everything:…