Research indicates that plants grow healthier when they are stroked.
173
Most dust particles in your house come from dead skin.
48
The bark of an older redwood tree is fireproof.
65
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Sound travels fifteen times faster through steel than through air.
134
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
16