Word: fitzhughã
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...tusk is actually a tooth, shaped like a spiraled rod, which projects out of the male’s upper jaw through its lips and ranges six to nine feet in length. According to the site, it is very rare for a female to have a tusk. William Fitzhugh??€”director of The Arctic Studies Center (ASC), which is part of the Smithsonian Institution—explained the significance of Nweeia’s findings. He noted that, since salt water freezes four degrees lower than fresh water, the narwhal’s ability to detect salinity...
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