Humans are the only species that can drink milk in adulthood. The enzyme lactase, responsible for digesting milk, had developed as a mutation during times of hunger when the body needed to digest more food options in order to survive. Communities that drank more milk have a higher lactase percentage.
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Overfishing has caused a major decline in fish numbers around the world. Experiments of farm fish and clams released to the ocean were done in
The tree is the largest creature on earth. Growing trees is possible despite the building and developing processes. One tree provides a major quantity of
A disturbing phenomenon was recently discovered: scientists and researchers buying credits in science articles they were not part of to further their careers and names
