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Eating half a handful of nuts every day could substantially lower the risk of early death, a Dutch study suggests.
Researchers have built a tiny mesh-like electronic sensor, rolled it up into a hypodermic needle and injected it into the brain. The device taking this fantastic electronic voyage may soon be able to zap tumors, repair damaged spinal cords or even connect parts of the brain like an artificial synapse.
Good news if you want to hold an insect rodeo. The robotic tentacle pictured above can handle tiny, fragile objects – capturing an ant without harming it.
They build cities. They farm. They make war. Ants do a lot of things that seem uncannily human — and yet they’re profoundly alien, part of a hive mind called a social organism. What does that feel like to each individual ant? Now a new scientific paper suggests that there is always doubt in the hive mind.
Funnel-web spider venom contains powerful neurotoxins that instantly paralyze prey (usually insects). Millions of years ago, however, this potent poison was just a hormone that helped ancestors of these spiders regulate sugar metabolism, similar to the role of insulin in humans. Surprisingly, this hormone's weaponization—described on June 11 in the journal Structure—occurred in arachnids as well as centipedes, but in different ways.
Not only are they partial to a drink and have been proven to enjoy cooking, chimpanzees have also been found to share the human trait of communicating by smiling, according to University of Portsmouth researchers.
Dogs are known to be excellent readers of human body language in multiple situations. Surprisingly, however, scientists have so far found that dogs do not follow human gaze into distant space. Scientists investigated how this skill of dogs is influenced by aging, habituation and formal training. The outcome: Gaze following to human gaze cues did not differ over the dogs' lifespan, however, formal training was found to directly influence gaze following in dogs.
Dogs do not like people who are mean to their owners and will refuse food offered by people who have snubbed their master, Japanese researchers have said.
Modern birds descended from a group of two-legged dinosaurs known as theropods, whose members include the towering Tyrannosaurus rex and the smaller velociraptors. The theropods most closely related to avians generally weighed between 100 and 500 pounds — giants compared to most modern birds — and they had large snouts, big teeth, and not much between the ears. A velociraptor, for example, had a skull like a coyote’s and a brain roughly the size of a pigeon’s.
Related: Real 'Jurassic World' Scientist Says We Could Bring Back Dinosaurs As Pets
Having a hierarchical social structure with just a few well-connected leaders enables pigeon flocks to navigate more accurately on the wing, new research shows.
Tiger sharks are among the largest and most recognizable sharks on the planet, yet many of their habits remain mysterious because they are long-distance travelers that are hard to track. But a new study, reported in the June 9 issue of the journal Scientific Reports, has yielded the first ever continuous, two or more-year satellite tagging tracks for the animals. This study reveals remarkable, and previously unknown, migration patterns more similar to birds, turtles and some marine mammals than other fishes.
There are lots of scary-looking things in the sea: sharks, giant squids, jellyfish. But the thing we really should be scared of most is the growing trash pile swirling in our oceans. There are 5 trillion pieces of trash floating out there, and it’s ending up in the stomachs of many sea animals.
Can trees cause pollution? Short answer: yes -- mismanaged forests can cause nutrient pollution. Cypress and cedar trees in Japan are causing massive amounts of nitrogen runoff into local streams, resulting in harmful algae blooms.
It's technically possible for each state to replace fossil fuel energy with entirely clean, renewable energy, experts say. A new report is the first to outline how each of the 50 states can achieve such a transition by 2050. The 50 individual state plans call for aggressive changes to both infrastructure and the ways we currently consume energy, but indicate that the conversion is technically and economically possible through the wide-scale implementation of existing technologies.
The Boy Who Played with Fusion had its beginnings in 2010 when, as a contributing editor at PopSci, I discovered a small and unusual community of makers, high-energy hobbyists who were taking on both the formidable theory and the precision engineering of applied nuclear science. The idea that self-taught amateurs outside the Big Science world of billion-dollar laboratories were tinkering with nukes—fusing atomic nuclei, transmuting elements, constructing atom-smashing machines in DIY laboratories—was both intriguing and unsettling.
Clean, drinkable water is unfortunately out of reach for hundreds of millions of people around the world, contributing to a vicious cycle of poverty and disease. People who have to spend large amounts of time finding safe water to drink don't have time for other things like education or work, and contaminated water often harbors deadly diseases. But there is hope, in the form of nanotech filters, light-based water purifiers, and an ancient Egyptian seed.
Carrying liquids up a hill usually involves a pump, or a lot of buckets. But now it seems water can do some of the heavy lifting itself.
Related: Stanford has created a water-droplet computer
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