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Bees can sense a flower's electric field
New research shows that bees can recognize flowers by the plants' tiny electric field that differs between species. The electric field bends the tiny hairs on a bee's body, firing neurons located at the base of the hair. From the journal Science:
Such fieldswhich form from the imbalance of charge between the ground and the atmosphereare unique to each species, based on the plants distance from the ground and shape. Flowers use them as an additional way to advertise themselves to pollinators...
Electric fields can only be sensed from a distance of 10 cm or so, so theyre not very useful for large animals like ourselves. But for small insects, this distance represents several body lengths, a relatively long distance.
"How bees sense a flowers electric field" (Science)
"Mechanosensory hairs in bumblebees (Bombus terrestris) detect weak electric fields" (PNAS)
https://www.youtube.com/watch?time_continue=43&v=CB07Loj3K4Q
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/uD99zL1NZEo/bees-can-sense-a-flowers-ele.html