Scientists at NASA tested the effects of certain human drugs on a spider’s ability to spin webs. A spider on marijuana tried to make a web, but gave up when it was only half-done. Spiders on Benzedrine, or speed, spun webs quickly, but left huge holes in them, making odd patterns. Spiders on caffeine only spun some random threads, while those on sleeping pills never bothered to start making a web.
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