If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Yawns are more contagious among people with closer relationships.
163
Most streets in Japan do not have names.
6
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
A bag of marijuana was the first thing ever bought and sold over the internet.
22