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Author Question: Emperor penguins use a huddling behavior to conduct heat efficiently. Similarly, honeybees conduct ... (Read 65 times) |
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.