Cold water weighs more than hot water.
93
One barrel of petroleum holds 42 gallons.
20
Sound travels about 4 times faster in water than in air.
408
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Most dust particles in your house come from dead skin.
48
One ragweed plant can release as many as one billion grains of pollen!
51