Iron weighs more after it rusts.
68
The bark of an older redwood tree is fireproof.
65
The smell of freshly cut grass is actually a plant distress call.
31
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The average temperature at 40,000 feet above sea level is -60 F.
56