Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
One ragweed plant can release as many as one billion grains of pollen!
51
Most dust particles in your house are made from dead skin!
67
In zero gravity, a candle's flame is round and blue.
16
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17