There is an Australian man, James Harrison, who has a singularly unique blood plasma composition that has been used to cure Rhesus disease, a hemolytic disease that affects newborn babies. He has donated his blood plasma over 1000 times.

Young male gorillas usually leave their family group when they are about 11 years old and have their own family group by the age of 15 years old. Young female gorillas join a new group at about 8 years old.

Plants on the surface of the Earth have existed for around 400 million years.

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