In zero gravity, a candle's flame is round and blue.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
4.5 pounds of sunlight strike the Earth each day.
27
Diamonds can be shattered with a hammer.
-104
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40