Standard paper cannot be folded in half more than 7 times.
232
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
Dogs can make about 100 different facial expressions.
18
Jumping fleas can accelerate 50 times faster than the space shuttle.
218