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That Fresh Cut Grass Scent is Really a Signal of Distress
Season 5
Episode 65
Spring is in the air! It’s time to mow the lawn and breathe in the smell of freshly cut grass. But this pleasant springtime scent may actually be a chemical cry for help. We explain how plants communicate, their chemical response to being damaged, and how bugs play a part.
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We unwrap the possibility that lead caused the Roman Empire’s collapse.
