Your fingernails grow faster in summer.
744
Only about 2% of the world population has green eyes.
36
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132