10 Daily Things

Your nose is one powerful protrusion. Whether it’s a big honker or a little button, if it is working correctly you can sense a skunk from only 0.000,000,000,000,071 of an ounce of offensive spray.

Animals can trace even tinier trails. Male luna moths, for example, track females from 5 miles away.

Such nosiness is important for the survival of almost all creatures: to find food, avoid being eaten, and pick proper mates. It warns us about rotten milk, a burning house, or an unhappy skunk, and can turn our attention to attractive potential dates.

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