00:03this is a funnel web spider the deadliest arachnid in the world and while it's something you know
00:09doubt want to stay away from no matter the situation researchers now say that it's potent
00:13venom changes depending on its mood researchers have been keenly interested in the spider species
00:18not only because of the potential dangers it poses but also because of the multitudinal
00:22applications their complex venom could be used for including pesticides and pharmaceuticals
00:27so while testing and extracting their venom they discovered that it wasn't always the same so
00:31researchers wanted to know why they tested venom that was extracted during different psychologically
00:36induced states for the spider including during what the spider thought was a threatening situation
00:40as well as other states including social moments with another spider of the same species and while
00:45the spider was exploring and one of the four funnel web species venom had a high variability depending
00:50on the psychological state of the creature meaning they are actively changing their venom's recipe on
00:55the fly something the researchers say could be a trade-off as the more potent the venom the higher
01:00the metabolic cost which they also found slows their movement speed
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