Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
9
People who laugh more are better able to tolerate pain - both physical and emotional.
36
The Simpsons are yellow because creator Matt Groening thought it was a good way to catch channel surfer’s attention when they saw a flash of yellow.
3
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Cats sleep for 70% of their lives.
8
The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
36
Caffeine boosts memory.
405