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Migrations are not limited to a herd of wildebeest or zebras galloping across the African plains. Scientists are still stumped by things that are not supposed to migrate intelligently—like sand dunes and moss balls. Human interactions with animal migrations can also have unexpected results. From…
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Earwax. How often do we really stop and mull over the stuff that oozes out of our ear canals? For most of us, it builds up over time, and we clean it out without much thought. But the substance—sticky for some, white and flaky for others—is an odd and fascinating thing. For example, it can be used…
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