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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Thyroid conditions may make getting pregnant impossible.
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.