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Be Smart.

Joe Hanson

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

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  1. Developing Curiosity 4:08
  2. Can We Solve the Air Conditioning Paradox? 17:15
  3. Where Does the Aroma of Rain Originate? 4:55
  4. Sand Dunes Shouldn’t Exist (Here’s Why They Do) 21:06
  5. How Do Glaciers Move? 9:32
  6. Why Does Hair Grow In The Way It Does? 7:24
  7. Sonic Hedgehog Gene - Why You Have Thumbs Rather Than Fins 9:25
  8. How to Sidestep a Deadly Asteroid Impact 10:37
  9. The Science of Marathon Performance 9:50
  10. This Is Where New Ideas ACTUALLY Arise 23:43
  11. When Is Now? 26:45
  12. Why is Puberty so Weird? 14:39
  13. 7 Scientific Urban Legends Debunked! 17:07
  14. How Poop Shapes the World 5:39
  15. Could You Ever Be Immune To EVERY Disease? Your Immune System, Explained! 10:09
  16. How to Observe Time Travel!!! 4:56
  17. Can We Get Older Without Aging? 14:11
  18. What Is the Most Unremarkable Thing? 22:47
  19. What If Sharks Had Never Existed? 6:35
  20. The Science of Barbecuing!!! 10:26
  21. How The Toilet Revolutionized History 9:59
  22. Why Some of the Rainbow is Absent 15:56
  23. We've Got Ants In Our Garden! 9:47
  24. How The Moon Controls Biology 5:54
  25. Tuatara Time! – Face To Face With A Living Fossil! (ft. John Green) 11:21
  26. Why Don't Other Animals Use Glasses? 8:10
  27. Iridescence: Nature's Most Beautiful Physics Trick 21:32
  28. How to Defuse the Overpopulation Bomb 11:06
  29. Why Y Is a Vowel Through Physics (and so is W) 18:45
  30. The Remarkable Owl! 6:25
  31. Why Is Sex Such a Thing? 17:11
  32. Why Getting Dizzy is Kinda Like Temporary Brain Damage 12:06
  33. What Do Raindrops Really Look Like? 9:31
  34. ,000,000 Years Forward 8:08
  35. Why BEAVERS Are The Smartest Thing In Fur Pants 6:43
  36. You Are A Topsy-Turvy Lobster 5:58
  37. The Unbelievable Science of How We Read 21:44
  38. The Surprising Reason We Eat Spicy Food 9:28
  39. Why Do We Cry? 7:30
  40. When Science FICTION Becomes Science ACTUAL! 11:07
  41. Why Seasons Lack Sense 5:13
  42. This Is Not the Rainbow 5:23
  43. How to Figure Out the Day of the Week For Any Date Ever 10:37
  44. The Incredible Biological Link We All Have With Our Mom 5:01
  45. How Every Movie & Video Game Tricks Your Brain 24:05
  46. Fact vs. Theory vs. Hypothesis vs. Law… BROKEN DOWN! 9:44
  47. Why No One Can Agree What’s REALLY the Tallest Mountain 14:03
  48. Do Fish Pee? 7:44
  49. How Habits Can Change Your Life (and Your Brain) 8:14
  50. Why Don't Ants Get Jammed In Traffic? 9:42