Have you ever wondered why humans are so … gross? We burp, we smell, we sneeze — humans do disgusting things all day long. "Grossology — The Impolite Science of the Human Body," an exhibit featured at the Liberty Science Center in New Jersey until Sept. 23, makes it abundantly clear that, yes, we are gross, but being gross helps us to survive!
Exploring the science of gross can help us to understand why we get warts, why we fart and why we smell.
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