Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
‘Tree shaping’ is the art of growing trees and roots into things like bridges, chairs, “people trees”, ladders, fences, jungle gyms, tunnels, and, theoretically, could even be used to grow homes.
3
20252 is Smokey the Bear's own zip code.
35
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
Babies are born without knee caps.
78
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58