biology

Myth 6: Your tongue has a "taste map"

May 15, 2008

This myth appears in a bunch of textbooks, so it’s not surprising that it’s persisted. The myth is that we mostly taste sweetness, bitterness, saltiness, and sourness at different areas of the tongue. While it’s true that we do have different taste sensations on different areas of the tongue, the exact distribution of sensitivity depends […]

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Mystery 1: Is polar bear fur transparent?

January 18, 2008

The answer seems to be yes! Even though polar bears are white, their hair is actually colorless. I found this out by looking at a great site, Everyday Mysteries, run by the Library of Congress. You can browse tons of questions, and their interesting science answers, compiled by the expert reference librarians at the Library […]

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