Balsa wood is classified as a hard wood!
41
Aluminum used to be more valuable than gold!
84
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
According to studies, men change their minds two to three times more often than women.
72
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
One ragweed plant can release as many as one billion grains of pollen!
51