But Stafstrom noticed that the spiders could also perform backflips to catch insects flying above them, even though these insects were probably outside the spiders’ field of vision. Stafstrom, Hoy, and their colleagues suspected that the spiders used auditory cues instead. Specifically, they wondered if a little-known organ on spider legs, simply called “the metatarsal organ”, might detect sound. THIS extraordinary, intricate marine sponge that lives deep in the Pacific Ocean could inspire even stronger, yet lightweight materials for use in anything from skyscrapers and bridges to spacecraft. The Venus’s flower basket (Euplectella aspergillum) is classed as a glass sponge because the lattice skeleton that supports its tubular body is made of silica.
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