Research indicates that plants grow healthier when they are stroked.
173
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Most dust particles in your house come from dead skin.
48
The bark of an older redwood tree is fireproof.
65
German chemists made a replica of a trophy the size of one molecule.
68