It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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There are 20 feet of blood vessels in each square inch of human skin.
Ice cores: Periods of rapid climate change especially in North Atlantic
4 ways your breasts change after pregnancy "4 تغيّرات تطرأ على ثدييكِ ...
Neutral Technological Change
Consistency and Change in Personality Over the Lifespan
The hierarchy of genes involved in establishing the segmented body plan in Drosophila