Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
For every gallon of sea water, you get more than a quarter pound of salt.
45
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16