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Be Smart.

Joe Hanson

▶ Webplayer

• Education
• Science
• Natural

About this podcast

We give you deep answers to simple questions about science and the rest of the universe. And also dad jokes. Be Smart is hosted by Joe Hanson, PhD. He's a molecular biologist and an award-winning science communicator and journalist

Episodes

• 360˚ Inside an ICE CAVE!!

  Nov 14, 2026 · 2:59

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 28-11-17Watch my video explaining this…

• Why Are Some Folk Left-Handed?

  Nov 14, 2026 · 6:41

  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…

• How Scientists Produced the Hottest Thing Ever

  Nov 13, 2026 · 19:50

  Learn more about Surfshark VPN at: https://surfshark.deals/besmart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ At CERN,…

• A Slice of Pizza Knowledge!

  Nov 13, 2026 · 5:43

  How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light? Viewers like you help make PBS (Thank you 😃) . Support your local PBS…

• Using Gene Editing To Repaint Butterfly Wings

  Nov 13, 2026 · 15:55

  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…

• The TRUE Story of Ben Franklin & His Kite

  Nov 13, 2026 · 12:10

  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 ↓Uploaded 18-11-20Thank you to…

• How To Process Science News

  Nov 13, 2026 · 10:16

  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 ↓ Develop your own science…

• ЩΉӨ BЦIᄂƬ ƬΉΣ PYЯΛMIDƧ

  Nov 13, 2026 · 7:38

  Try 23andMe: http://www.23andme.com/okay Enjoy this video? SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓Uploaded 02-06-17Who built the pyramids? The…

• How Do Tesla Coils Work? Musical Tesla Coils in SLOW MOTION! (Guest: @physicsgirl)

  Nov 13, 2026 · 9:31

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Head to Physics Girl for electromagnetic explosions!…

• The Universe in a Chalice of Wine (Richard Feynman Remixed)

  Nov 13, 2026 · 4:15

  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…

• AI Might Let Us Talk to Whales… What Should We Say?

  Nov 13, 2026 · 28:49

  Follow me to Planet Wild! https://www.planetwild.com/besmart/14_2SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓Uploaded…

• Inside the Lab That Protects You From Your Car

  Nov 13, 2026 · 44:49

  Crashing a car is usually not a good idea. But sometimes, it can save lives. ↓↓↓ More info and sources below ↓↓↓ No one ever wants to get in a car crash. But if you ever do, be…

• Why Don't Big Animals Get More Cancer?

  Nov 13, 2026 · 14:16

  A solution to the cancer paradox? Cetacean needed!We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓ More info and sources below ↓↓↓Uploaded…

• The Impossible Hugeness of Deep Time

  Nov 13, 2026 · 11:53

  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 ↓↓↓Uploaded 12-02-19Humans…

• Is There Sentient Life On Other Worlds?

  Nov 13, 2026 · 10:46

  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…

• The Foundations of Energy

  Nov 13, 2026 · 7:06

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Check out our whole series on ENERGY!…

• Why Jumping Spiders Have the Coolest (and DEADLIEST) Eyes in Nature

  Nov 13, 2026 · 20:53

  SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓ More info and sources below…

• There's Proof of Evolution Hiding in Your DNA

  Nov 13, 2026 · 10:48

  Learn more about your personal DNA story by going to https://23andMe.com/okayDon't miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below…

• Something Strange Happens When You Flatten the Earth…

  Nov 13, 2026 · 33:32

  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…

• These Butt-Tickling Ants Are Endangered Butterfly Bodyguards | IN OUR NATURE

  Nov 13, 2026 · 27:20

  Check out "Out of Our Elements" on PBS Terra! https://youtu.be/tp-FsXHVFoU“In Our Nature” is a NEW special limited series on It’s Okay To Be Smart!We’re on PATREON! Join the…

• Why Sports Fans' Brains are Formed Different (with @smartereveryday)

  Nov 13, 2026 · 23:58

  Take the PBS Digital Studios Audience Survey: https://to.pbs.org/pbssurvey2023a ↓↓↓ More info and sources below ↓↓↓ Humans can develop intense relationships, even obsessions,…

• Ask Joe Stuff - 2 Million Subscribers Edition!

  Nov 13, 2026 · 16:21

  Thanks for your support!Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓Uploaded 20-03-18We’re celebrating our 2 millionth…

• Can a Billion Oysters Restore New York City?

  Nov 13, 2026 · 17:15

  Heroes on the half shell… Oyster power? SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ When people picture New York City they…

• What's the Eldest Living Creature?

  Nov 13, 2026 · 7:29

  Big thank you to Rachel for lending her voice and photos to this episode! Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here:…

• Do Other Planets Have Seasons Too?

  Nov 13, 2026 · 7:58

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 25-08-17Try CuriosityStream today:…

• It's Okay To Be Smart is on Patreon!

  Nov 13, 2026 · 5:23

  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 ↓Uploaded 10-09-19SUBSCRIBE so you…

• Why Don't Woodpeckers Develop Concussions?

  Nov 13, 2026 · 8:07

  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!…

• How Some Animals Engineered Air Conditioning

  Nov 12, 2026 · 6:53

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 13-06-17Thanks to the non-profit edX.org for…

• How Physics Could Bring About Doomsday

  Nov 12, 2026 · 9:36

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 03-10-17…or how I learned to study physics and…

• Are We All Family?

  Nov 12, 2026 · 8:10

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate This is part 3 of our special series on Human Ancestry!…

• What is Impossible in Evolution?

  Nov 12, 2026 · 25:59

  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 ↓Uploaded 17-03-21We’re on PATREON!…

• How Enormous is the Solar System?

  Nov 12, 2026 · 9:53

  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 ↓ I took a trip to one of Austin's…

• There Was No Inaugural Human

  Nov 12, 2026 · 5:51

  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 ↓ If you traced your family tree…

• How Do We Actually See Color?

  Nov 12, 2026 · 12:44

  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 ↓Uploaded 09-11-19Thank you to LEGO…

• It's Okay To Be Smart - Bloopers Vol. 2: The Sequel

  Nov 12, 2026 · 5:41

  We're taking the week off while we work on some special episodes for the next few weeks. In the meantime, here's me messing up. A lot. Viewers like you help make PBS (Thank you…

• How To Go Faster Than Light Speed (Seriously…)

  Nov 12, 2026 · 15:38

  Thank you to Foreo for supporting PBS. For more information, go to https://foreo.se/fmg3 and use code PBSFOREO↓↓↓ More info and sources below ↓↓↓Uploaded 04-05-23Nothing can…

• CRISPR and the Future of Human Advancement

  Nov 12, 2026 · 9:29

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Part 4 of our special series on Human Ancestry. Watch…

• Are Humans Running Out Of Food??

  Nov 12, 2026 · 11:30

  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 ↓Uploaded 19-02-20Thanks to Bill and…

• The Cosmic Lingering Glow

  Nov 12, 2026 · 5:56

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Get your #ididascience shirt here!…

• The Factual "Doctor Frankenstein

  Nov 12, 2026 · 9:24

  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…

• Nature's Most Awesome Animal Superpowers

  Nov 12, 2026 · 10:50

  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 ↓ Comic book heroes ain't got…

• Ask Joe Matters #3

  Nov 12, 2026 · 10:03

  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 have questions, I have…

• The Unbelievable Story of Earth’s Most Epic Flood

  Nov 12, 2026 · 17:34

  Head to http://actnow.climeworks.com/besmart and learn more about removing CO₂ from the air. ↓↓↓ More info and sources below ↓↓↓Uploaded 11-10-22One day around 15,000 years ago,…

• Should You Feel Guilty About Climate Change? - featuring Al Gore

  Nov 12, 2026 · 7:37

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 08-08-17“An Inconvenient Sequel” is former Vice…

• IN YOUR FACE EXPLOSIVE CHEMISTRY!! (VR180)

  Nov 12, 2026 · 9:48

  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 ↓Uploaded 02-11-19This is a VR180…

• Who Built the Metric System (and Why It Isn't As Perfect as You Think)

  Nov 12, 2026 · 10:05

  Meter? …or Metre? Try CuriosityStream and learn something new today: http://curiositystream.com/smart ↓ More info and sources below ↓ Why is a meter a meter? The meter is the…

• Why is the Sky Whatever Color?

  Nov 12, 2026 · 4:38

  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 is the sky blue? Or any…

• There's No Such Thing As Ice

  Nov 12, 2026 · 6:46

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate If cold isn't real, then how can I feel it? Subscribe…

• Shadows of Evolution

  Nov 12, 2026 · 6:38

  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 ↓ What does a ginkgo tree have in…

• Why Is Our Skeleton On the Inside?

  Nov 12, 2026 · 11:34

  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 ↓Uploaded 28-07-20We’re on PATREON!…

• Humans Are Smart. Why Are Babies So Dumb?

  Nov 12, 2026 · 13:58

  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 ↓Uploaded 25-02-20Check out…

• Plants Are Smarter Than You'd Expect

  Nov 12, 2026 · 7:04

  Plants can do some amazing things. But how do they respond to their environment with no brain? ↓ More info and sources below ↓ Learn more/references: “What a Plant Knows” by…

• The Golden Ratio: Is It Myth or Math?

  Nov 11, 2026 · 28:39

  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 ↓Uploaded 10-03-21We’re on PATREON!…

• The Weird Science of the Raisin Bran Effect

  Nov 11, 2026 · 10:08

  AKA "The Brazil Nut Effect" but brazil nuts are blahYou can learn more at https://curiositystream.com/smart ↓↓↓ More info and sources below ↓↓↓Uploaded 30-11-18The bottom of the…

• Sunburn, Sweat and the Summer Science Explained!

  Nov 11, 2026 · 6:16

  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 summertime look at why we…

• The Science of Snow Geometry

  Nov 11, 2026 · 7:44

  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 are a beautiful and curious…

• The Remarkable Roots of Thanksgiving Foods

  Nov 11, 2026 · 7:24

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate I’m thankful for science. And also pie. SUBSCRIBE!…

• How The Elements Were Named

  Nov 11, 2026 · 5:41

  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 ↓ There's a story inside every box!…

• Astounding Deep Sea Oddities!

  Nov 11, 2026 · 4:55

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate There's some strange creatures down in the deep … Tweet…

• Between Two Tesla Coils! - 360 Immersive Video

  Nov 11, 2026 · 3:24

  Learn how singing Tesla coils work: https://youtu.be/KGhNgeg9IAw Follow me to Physics Girl for electromagnetic explosions! https://youtu.be/AXOa66-k9MA ↓ More info and sources…

• You'll Never Guess Where Earth's Largest Migration Happens

  Nov 11, 2026 · 15:33

  We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓ More info and sources below ↓↓↓Uploaded 19-04-23The biggest (and most mysterious!) migration in…

• The Appetizing Science of CHEESE!

  Nov 11, 2026 · 7:38

  I am an absolute freak for cheese. Next to bread, it might be our oldest biotechnology! Here's some of the science about how it's made and where it comes from. Viewers like you…

• These Death-Eating Scavengers Are Real Life-Savers | IN OUR NATURE

  Nov 11, 2026 · 37:16

  Thank you to Blinkist for supporting PBS. For more information and trial go to http://www.blinkist.com/OkayToBeSmart.Uploaded 04-08-21“In Our Nature” is a NEW special limited…

• Why Don't Birds Lay Square Eggs?

  Nov 11, 2026 · 10:15

  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 ↓Uploaded 19-08-19SUBSCRIBE so you…

• Putting Hurricane Harvey In Perspective

  Nov 11, 2026 · 6:06

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 15-09-17Replace Harvey with Irma… still true.…

• This Is How Astronauts Drink Coffee In Space!

  Nov 11, 2026 · 15:23

  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 ↓Uploaded 03-05-19You can learn more…

• The Science Behind Kissing

  Nov 11, 2026 · 7:35

  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 ↓ Pucker up. I'm gonna lay some…

• This Salamander Can Regrow Limbs Like Deadpool

  Nov 11, 2026 · 10:21

  MAXIMUM EFFORT!Give us a hand and SUBSCRIBE! ►► http://bit.ly/iotbs_sub↓↓↓ More info and sources below ↓↓↓Uploaded 15-05-18Axolotls are special salamanders. Not only to they stay…

• The Biggest Myth About Climate Change

  Nov 11, 2026 · 35:42

  Check out America Outdoors Understory on @PBS : https://youtu.be/s-R1p89zHnk We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓ More info and…

• Are the Nobel Prizes Still Meaningful in the 21st Century?

  Nov 11, 2026 · 10:13

  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 Nobel Prizes reward the…

• Infinity isn’t a number. It's something much weirder.

  Nov 11, 2026 · 15:55

  Learn more about AnyDesk here: https://anydesk.com/besmart Support us on Patreon / itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓Uploaded 14-05-26Infinity sounds simple. It…

• Does Someone Else Have Your Face? Doppelgängers Explained!

  Nov 11, 2026 · 17:59

  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…

• What Would Happen if ONE MILLION Species Went Extinct?

  Nov 11, 2026 · 8:12

  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 ↓Uploaded 24-05-19Check out Hot…

• We Can Bring Back Extinct Species… But SHOULD WE?

  Nov 11, 2026 · 7:51

  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…

• How Your Body Understands Left From Right

  Nov 11, 2026 · 6:30

  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 are our bodies so…

• The Magic (and Mystery) of Mirrors

  Nov 11, 2026 · 15:56

  Thank you to Brilliant for supporting PBS. To learn more, go to: https://brilliant.org/BeSmart/We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓…

• Where Did Earth's Water Come From?

  Nov 11, 2026 · 7:22

  To learn more about Brilliant, check out https://brilliant.org/BeSmart/ Give us a hand and SUBSCRIBE! ►► http://bit.ly/iotbs_sub↓↓↓ More info and sources below ↓↓↓Uploaded…

• We've never seen an atom. But we know what they look like.

  Nov 10, 2026 · 23:12

  The first 100 people to join @planet-wild with the code SMART5 will get the first month paid for: https://planetwild.com/r/besmart/joinIf you want to get to know them better…

• Why Nature Loves Hexagons

  Nov 10, 2026 · 8:00

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 03-08-17Follow me to Infinite Series for…

• How To Bend Light Using Just Your Finger

  Nov 10, 2026 · 12:14

  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 ↓↓↓Uploaded…

• The SCIENCE of BREWING!!!

  Nov 10, 2026 · 7:28

  Is beer the perfect beverage? Let's see what science says... Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here:…

• Ask Joe Topics #4

  Nov 10, 2026 · 10:09

  You have questions, I have answers! Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate SUBSCRIBE, it's…

• Why Does Time Only Go Forward?

  Nov 10, 2026 · 4:39

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate ↓ More info and sources below ↓ Arrow of Time FAQ:…

• How Artist Claude Monet Was Sort Of Like a Honeybee

  Nov 10, 2026 · 6:39

  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 famous painter who was…

• How Science Specifies A Year

  Nov 10, 2026 · 7:26

  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 ↓ It's been one…

• Why Does Every Animal Look Like This?

  Nov 10, 2026 · 14:53

  Thank you to Brilliant for supporting PBSTo learn more, go to: https://brilliant.org/BeSmart/↓↓↓ More info and sources below ↓↓↓Uploaded 28-03-23In the race to survive, both…

• This Was the Most Critical Moment in the History of Life

  Nov 10, 2026 · 9:24

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Get your #ididascience shirt here!…

• Amazing Facts About Whales!

  Nov 10, 2026 · 10:04

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonateUploaded 24-08-15Whales are INCREDIBLE! Check out…

• Why Geckos Are Sticky Without Being Sticky

  Nov 10, 2026 · 11:39

  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 ↓Uploaded…

• What's the Largest Living Thing On Earth?

  Nov 10, 2026 · 14:10

  Check out American Veteran on @pbsvoices ►► https://youtu.be/P8bt1bwllZg We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓ More info and sources…

• Are We Living Through the Sixth Extinction?

  Nov 10, 2026 · 11:56

  This time, we're the asteroid. 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…

• Why Soap Is Our Secret Weapon Against Germs

  Nov 10, 2026 · 17:39

  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 ↓Uploaded 25-03-20We’re on PATREON…

• Is Height Genetic?

  Nov 10, 2026 · 9:32

  I'm tall. Here's why!Make watching our videos a habit and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓Uploaded 18-09-18I’m tall. Most of the people…

• Why Do Things Sound Creepy?

  Nov 10, 2026 · 7:31

  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 are sounds scary? They're…

• The Strange Cosmic Origin of Earth’s Most Precious Metals

  Nov 10, 2026 · 17:41

  Follow me to The Bigger Picture on @PBS https://youtu.be/Wnr4RJxDifwSUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓Uploaded…

• The Surprising Species That Everything Else Depends On | IN OUR NATURE

  Nov 10, 2026 · 32:40

  “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…

• COVID-19 & Mask Myths DEBUNKED!

  Nov 10, 2026 · 17:28

  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 ↓Uploaded 23-07-20We're on PATREON!…

• The Far Tomorrow of the Universe

  Nov 10, 2026 · 7:17

  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 ↓ SPOILERS: It doesn't end well.…

• Spit: Everything You Never Sought To Know

  Nov 10, 2026 · 7:12

  Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Warning: May contain the “m-word”… Tweet this video ⇒…

• The Weird Reason Plants Aren't Black

  Nov 10, 2026 · 14:10

  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 ↓Uploaded 25-10-19We’re on PATREON…

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