Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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There are about 255 babies born worldwide every minute.
46
The human eye blinks an average of 4,200,000 times a year.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human sigh acts as a physiological reset button.
23
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
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