A Nepalese doctor has restored the sight of over 100,000 often poverty-stricken people in the last thirty years across Asia and Africa using a 5 minute procedure and an inexpensive artificial lens.
When two white-faced capuchin monkeys meet, they say hello by sticking their fingers into each other's noses.
John Tyler, the 10th president of the United States, was born in 1790. He has a grandson that is alive today.
Donkeys and dolphins are sometimes used as guard animals.