Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
34
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
The first foreigner to become a samurai was an African slave.
26
Self-made millionaire Harris Rosen adopted a Florida neighborhood called Tangelo Park, cut the crime rate in half, and increased the high school graduation rate from 25% to 100% by giving everyone free daycare and all high school graduates scholarships.
20
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Shakira has been making music for more than 23 years, can play the guitar, drums, percussion, and harmonica, speaks 7 different languages, is the founder of a charity called Pies Descalzos, and is a goodwill ambassador for UNICEF.
30