Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
In zero gravity, a candle's flame is round and blue.
16
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 average home creates more pollution than does the average car.
33
Sound travels fifteen times faster through steel than through air.
134
For every gallon of sea water, you get more than a quarter pound of salt.
45
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9