A fish with a large penis on its head was recently discovered in Vietnam. The penis has a rod and jagged hook used for grabbing the female during sex. Although its scientific name is Phallostethus Cuulong, its nickname is "penis head."j.

Tiger cubs leave their mother when they are around 2 years of age.

A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.

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