The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The smell of freshly cut grass is actually a plant distress call.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101