How to Give a Spider an Eye Test | ScienceTake

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How to Give a Spider an Eye Test | ScienceTake
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How to Give a Spider an Eye Test | ScienceTake
Jumping spiders have great eyes four pairs of them each pair with a different task. The result is fantastic Vision that allows them to stalk and Hunt pray and make some spectacular jumps. Besides work scientist know they interact with each other, but in what way? To give a spider an eye test, researchers had to attach the creature to the apparatus they held it down with plastic and paraffin film and made an opening to dab some facts on the spider head. Then they attach the Hat straight out of dr. Seuss. Put the spider in a custom-built itracker, one of only two such machines in the world held in place on a trackball. The spider watched video in ultraviolet like penetrated the spiders head to illuminate what was going on in there and researchers, aim the camera at the spiders to main eyes. The big ones up front, flexible tubes from the eye to the retina. Allow the spider to look here and there see the movie hear the image that the spider is seeing is superimposed over the retinas. They look like boomerangs can see them following the black. Across the screen, but the redness have a small field of vision. They made me pay fine detail, so I have to know where to look. That’S the role of the most forward pair of small eyes. They pick up, motion and alert the main eyes when the small eyes were painted over the main eyes were in the dark. Lichen example see the retinas: don’t crack the. Figuring out how the spiders tiny brain manages this eye to eye communication is next on the agenda and in case you were wondering the spiders are free that the end of the experiment off comes the Costco’s of the spider.
Jumping spiders have excellent vision. To test it, scientists attach a tiny hat to the spider’s head and then set it in front of a special machine of which there are only two in the world. What they discovered is that the four sets of eyes all serve a different purpose. Find out more in this week’s episode of ScienceTake.

Read the story here: https://www.nytimes.com/2018/11/06/science/spider-vision.html

Every week, ScienceTake answers questions like how monkeys teach manners, elephants show empathy and ants imitate water. Tune in Tuesdays at 4 p.m.

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