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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. Do Fish Pee? 7:44
  2. How Habits Can Change Your Life (and Your Brain) 8:14
  3. Why Don't Ants Get Jammed In Traffic? 9:42
  4. Ask Joe Matters #2 6:18
  5. The Forgotten Origin of the Scientific Method 16:14
  6. 4 Ways the Universe Might End (All of Them Are Bad) 16:43
  7. Why Do Fireflies Have Blinky Bottoms? 7:00
  8. How We Finally Solved the Monarch Butterfly Migration Mystery 14:00
  9. Can Epigenetic Inheritance Be Real? 6:33
  10. How Blind People See With Sound… with @MollyBurkeOfficial! 20:53
  11. Visiting the Most Massive Bat Colony on Earth! 6:25
  12. Is Your Eye Color Real? 8:05
  13. Extreme Deep Sea Creatures Are Eating The Titanic! 7:29
  14. If We Plant 1 TRILLION Trees Can We Stop Climate Change? 14:52
  15. What's The Loudest Sound That Could Exist? 5:52
  16. Using a Bunch of Mousetraps to Explain How Pandemics Work (feat. @theslowmoguys) 20:21
  17. Where Did Zika Arise? 9:33
  18. Why Do We Itch? 7:49
  19. Why Are There As Many Males As Females? 7:38
  20. Can Coral Reefs Adapt to Climate Change? 6:58
  21. Clarifying Lunar Eclipses and the SUPER BLOOD MOON! 6:34
  22. The Wonderful Science of… Dust? 7:23
  23. Why Are We The Only Humans Surviving? 10:16
  24. There Might Be a Dinosaur On Your Dinner Table 14:21
  25. Your Microbiome: The Microscopic Creatures That Keep You Alive! 9:26
  26. How Scorpions Became Earth's Toughest Survivors 18:22
  27. How Many Species Are Out There? 6:27
  28. Asteroid Mining Will Change Everything About Our Future In Space 9:48
  29. The INCREDIBLE Ancient Engineering That Built the Pyramids 9:46
  30. The Truth About Butterfly Metamorphosis (It's INCREDIBLY ODD) 20:15
  31. I Can't Believe We're Making Another COVID Video 22:07
  32. A Brief (Scientific) History of Butts 17:24
  33. How Your Memory Works 12:30
  34. How Ancient Ice Proves Climate Change Is Real 16:10
  35. How Well Do Masks Work? (Schlieren Imaging In Slow Motion!) 11:05
  36. How The Placebo Effect Influences Your Brain 9:58
  37. Are You Cleverer Than A Slime Mold? 6:36
  38. Einstein Is (Basically) Always Right: Gravitational Waves Edition 9:57
  39. The Evolutionary Purpose of Fun 12:35
  40. What Is A Dinosaur And What Isn’t a Dinosaur? 11:28
  41. Why Do These Deadly Insects Look Like Flowers? 5:44
  42. Why do Trees Talk to Each Other? 7:43
  43. Where Did Mankind Emerge From? 9:19
  44. Why Is The Universe So Empty? (ft. PHD Comics!) 6:32
  45. A Brief History Of (Keeping) Time 7:58
  46. The Strange and Unexpected Reason Ice is Slippery 11:11
  47. Why Your Brain Calls Your Head Home 6:09
  48. Does The Moon Really Orbit The Earth? 5:09
  49. The Physics of Spacefaring Battles 7:47
  50. What Causes Fire? 5:23