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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Sound travels about 4 times faster in water than in air.
408
One ragweed plant can release as many as one billion grains of pollen!
51