8 Simple Questions You Won't Believe Science Can't Answer

The field of science is capable of some amazing things, mostly because it's filled with all the Albert Einsteins and Doogie Howsers the world has produced over the centuries. But it may shock you that some of the most mundane, everyday concepts are as big a mystery to scientists as they are to the average toddler. Things like ... #8. Why We Sleep As far as we know, virtually every creature on earth enjoys a good night's rest as much as people do (though the hours we choose to sleep varies greatly). GettyThat's why science sits outside your room every night, watching. What we have is a handful of proposed explanations for sleep that not many scientists can agree on. Or maybe, instead of ditching the stuff that's not necessary, the brain might be reinforcing the stuff you do need. GettySo really, passing out in the middle of an all-nighter is a valid study tactic. But there's a problem with both of these theories. #7. And somewhere out there, Pluto sheds a lonely tear. #6. #5. Related: