Balsa wood is classified as a hard wood!
41
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In zero gravity, a candle's flame is round and blue.
16
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Research indicates that plants grow healthier when they are stroked.
173
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310