11. Why we cry. As far as I know, there is no scientific explanation for why droplets of water come out of our eyes when we get sad.
12. What causes mental illness and why medical treatments for it work for some and not for others. We have hypotheses but nothing definitive. Pretty sad, given how many people are affected by it.
13. Why time only appears to “move” in one direction.
14. Why JFK’s head just did that.
15. Why you can’t continue playing music when you close the YouTube app.
16. Ball lightning
17. How wombats manage to sh*t squares.
18. What’s in a black hole.
19. How is babby formed?
20. Why kids love the taste of Cinnamon Toast Crunch.
21. Why we yawn.
23. What is love?
24. How did the cameraman hold his breath that long to record finding nemo.?
25. Autism and why it happens.