Research indicates that plants grow healthier when they are stroked.
173
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels fifteen times faster through steel than through air.
134
4.5 pounds of sunlight strike the Earth each day.
27
German chemists made a replica of a trophy the size of one molecule.
68
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound at the right vibration can bore holes through a solid object.
134
In zero gravity, a candle's flame is round and blue.
16