The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound travels fifteen times faster through steel than through air.
134
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Liquid TIDE laundry detergent glows under a blacklight.
96
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Sound travels about 4 times faster in water than in air.
408