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Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

