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Reactions
How Did We Get COVID Vaccines So Quickly?
When can we expect a vaccine against the novel coronavirus?
That Fresh Cut Grass Scent is Really a Signal of Distress
Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.
That Fresh Cut Grass Scent is Really a Signal of Distress
Season 5 Episode 65 | 3m 10s
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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