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Scientists unlock secret to Venus flytrap’s hair-trigger response

To trap its prey, the Venus flytrap sends rapid electrical impulses, which are generated in response to touch or stress. But the molecular identity of the touch sensor has remained unclear. Japanese scientists have identified the molecular mechanism that triggers that response and have published their work in a new paper in the journal Nature Communications. As previously reported, the Venus flytrap attracts its prey with a pleasing fruity scent. When an insect lands on a leaf, it stimulates th

Fiji’s ants might be the canary in the coal mine for the insect apocalypse

In late 2017, a study by Krefeld Entomological Society looked at protected areas across Germany and discovered that two-thirds of the insect populations living in there had vanished over the last 25 years. The results spurred the media to declare we’re living through an “insect apocalypse,” but the reasons behind their absence were unclear. Now, a joint team of Japanese and Australian scientists have completed a new, multi-year study designed to get us some answers. Insect microcosm “In our wo

DARPA Going Hard on Insect-Sized Spy Robots

Forget robot wolves and missile-deflecting satellites — those things are already becoming old news. Instead, future wars just might revolve around insect-size spy robots. A recent digest of present-day microbots by US national security magazine The National Interest breaks down the many machines currently in development by the US military and its associates. They include sea-based microdrones, cockroach-style surveillance bots, and even cyborg insects. Arguably the most refined program to date

A robot walks on water thanks to evolution's solution

Robots can serve pizza, crawl over alien planets, swim like octopuses and jellyfish, cosplay as humans, and even perform surgery. But can they walk on water? Rhagobot isn’t exactly the first thing that comes to mind at the mention of a robot. Inspired by Rhagovelia water striders, semiaquatic insects also known as ripple bugs, these tiny bots can glide across rushing streams because of the robotization of an evolutionary adaptation. Rhagovelia (as opposed to other species of water striders) ha

A robot walks on water thanks to evolution’s solution

Robots can serve pizza, crawl over alien planets, swim like octopuses and jellyfish, cosplay as humans, and even perform surgery. But can they walk on water? Rhagobot isn’t exactly the first thing that comes to mind at the mention of a robot. Inspired by Rhagovelia water striders, semiaquatic insects also known as ripple bugs, these tiny bots can glide across rushing streams because of the robotization of an evolutionary adaptation. Rhagovelia (as opposed to other species of water striders) ha

Robotic bug literally walks on water

Robots can serve pizza, crawl over alien planets, swim like octopuses and jellyfish, cosplay as humans, and even perform surgery. But can they walk on water? Rhagobot isn’t exactly the first thing that comes to mind at the mention of a robot. Inspired by Rhagovelia water striders, semiaquatic insects also known as ripple bugs, these tiny bots can glide across rushing streams because of the robotization of an evolutionary adaptation. Rhagovelia (as opposed to other species of water striders) ha

Pausing Insect Activity

For all known life forms, activity is punctuated by periods of rest. Sleep may be the most familiar, but many other distinct dormant states occur on longer timescales, from weeks to months on end. Such suspended animation has garnered many different names: hibernation and torpor (in mammals and birds), brumation (in reptiles), diapause and quiescence (in insects and nematodes), aestivation (summer dormancy in vertebrates and invertebrates), hypobiosis, cryptobiosis, and latent life (in microorga

This USB-C accessory gave my Android and iPhone an ingenious emergency tool

Heat It Smartphone-Powered Insect Bite Healer ZDNET's key takeaways The Heat It is available on Amazon for $40. It heats up from your smartphone and reduces swelling and itchiness from bug bites. While its power consumption is modest, it will take some charge from your phone. $39.95 at Amazon As someone who spends a lot of time outdoors (and someone who got hit with Lyme disease), it's astonishing how often I forget to apply insect repellent. Just the other night, I spent the last half of a f

Horrifyingly Huge New Stick Insect Discovered Exactly Where You Think

Australia is famous for hosting the weirdest creatures we’ve ever seen. Sometimes, these weird creatures also come extra-large—like the newly discovered stick insect that researchers believe may be the heaviest of all Aussie insects. The insect, named Acrohylla alta, is about 15 inches (40 centimeters) long—about the height of a bowling pin—and weighs around 0.1 pounds (44 grams), slightly lighter than the heaviest golf ball. In a recent Zootaxa paper, wildlife researchers Angus Emmott and Ross

Unreal Amber Fossils Show ‘Last of Us’ Zombie Fungus Terrorizing Bugs During the Cretaceous

In the video game The Last of Us and its spin-off HBO series, humans fight to survive against cordyceps, a parasitic fungus that turns its hosts into zombies. While the infections are wildly dramatized in both the game and the show, these fungi aren’t mere science fiction. In fact, some species have been around since the age of the dinosaurs, a new study suggests. An international team of researchers led by Yuhui Zhuang, a doctoral student of paleontology at China’s Yunnan University, recently