TIL the smell of freshly cut grass is actually a plant distress signal. When grass is cut, it releases compounds called green leaf volatiles, which signal injury and can attract predators of plant-eating insects.

https://en.wikipedia.org/wiki/Smell_of_freshly_cut_grass
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1glpi4w/til_the_smell_of_freshly_cut_grass_is_actually_a/