Sound doesn't travel in space.
255
If you're one in a million, there are about 7,234 people just like you.
31
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Touching a teddy bear can make people feel less lonely.
36
A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
If you fake a laugh long enough, you'll actually start to laugh really hard.
44
There are about 255 babies born worldwide every minute.
46