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Author Question: Based on Acanthostega fossils, scientists now believe that the earliest tetrapods were (Read 133 times) |
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Thyroid conditions may make getting pregnant impossible.
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.