A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Your brain is 80% water.
525
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
Out of all the senses, smell is most closely linked to memory.
146
One third of the electricity produced on earth is used to power electric light bulbs!
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Brass doorknobs automatically disinfect themselves in about 8 hours.
18