Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists aren't sure what color dinosaurs were.
312
One ragweed plant can release as many as one billion grains of pollen!
51
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57