Arachnids
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![The spider 'necrobot' is used to lift up part of an electrical circuit.](https://cdn.mos.cms.futurecdn.net/UgL53iAyZn2Jt3kVv7pNXM-320-80.gif)
Dead spiders reanimated as creepy 'necrobots'
By Harry Baker published
Researchers have turned dead wolf spiders into machine grippers that can be used to pick up a variety of objects, including other spiders, by blowing air into their lifeless corpses.
![Superior dance moves hint at a male's vigor, athleticism and grace.](https://cdn.mos.cms.futurecdn.net/RKvcrNXXoPLnDTGu46suX9-320-80.jpg)
Male spiders drum out mesmerizing syncopated beats to woo mates
By Stephanie Pappas published
Male spiders that dance to their own beat are more likely to win mates compared to those that stick to a formula, new research finds.
![Goliath birdeater spider on moss.](https://cdn.mos.cms.futurecdn.net/os6u4Qnm6gAciiJiY8PKgj-320-80.jpg)
What is the largest arachnid to ever live?
By Cameron Duke published
What's the largest arachnid ever on Earth? The answer is not so simple, say scientists.
![Mating makes these male spiders jump, but not for joy.](https://cdn.mos.cms.futurecdn.net/8CAzaPtKsbsdBbhYiEpE8B-320-80.gif)
These male spiders use built-in leg catapults to escape sexual cannibalism
By Mindy Weisberger published
Once mating is over, male orb-weavers catapult off the bodies of females to avoid being eaten, moving at a speed that's too fast to glimpse with the naked eye.
![Geckos vigorously shook scorpions after catching them, then gulped them down whole.](https://cdn.mos.cms.futurecdn.net/h7A28xBhMZtiGwjd3TZ8yS-320-80.gif)
'Berserker' geckos slam scorpions into oblivion before eating them, epic new footage shows
By Mindy Weisberger published
Violent head shaking helps normally placid geckos subdue dangerous scorpion prey.
![Social spiders in the species Anelosimus eximius live in colonies that may include hundreds of individuals.](https://cdn.mos.cms.futurecdn.net/CguiCWkxvnXxjjSBfx4G74-320-80.jpg)
Spiders hunt in packs of hundreds to swarm prey
By Cameron Duke published
Pack hunting spiders use web vibrations to coordinate their attacks.
![The invasive species is harmless to people, but as an invasive species their impact on the local ecology still needs to be studied.](https://cdn.mos.cms.futurecdn.net/MM8PRPPWXkTKra4gAEqiEY-320-80.jpeg)
Millions of palm-size, flying spiders could invade the East Coast, scientists say
By Ben Turner published
Scientists believe that Joro spiders arrived in the U.S. as stowaways in a shipping container.
![left panel shows a photo of a noble false black widow spider in a web on the side of a house; the right panel shows a bat pup entangled in said web](https://cdn.mos.cms.futurecdn.net/RiE95RPNDpUPwShMu9owqU-320-80.jpg)
False widow spider preys on baby bat in never-before-seen encounter
By Nicoletta Lanese published
Before now, the species had never been seen catching bats.
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