The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists aren't sure what color dinosaurs were.
312
Billions of neutrinos pass unnoticed through your body every second.
6
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17