Articles on Arachnids

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Scorpions used to be a rural problem in Brazil. Now, residents of São Paulo and other urban areas are dealing with an infestation of these venomous creatures. AP Photo/Alexandre Meneghini

Venomous yellow scorpions are moving into Brazil’s big cities – and the infestation may be unstoppable

Brazil's scorpion infestation, which is terrorizing residents of São Paulo and other major cities, is a classic 'wicked problem.' That means officials must think outside-the-box to fix it.
There’s a very good reason for those leg hairs. Flickr/Hamish Irvine

Curious Kids: why do spiders have hairy legs?

Believe it or not, I have studied the hairy legs of spiders for years and can give you some definitive answers on this.

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