Frogs use brains or camouflage to evade predators
Throughout evolution, prey animals have adopted a range of strategies to evade their predators. But often these elaborate strategies come at a cost. For example, looking out for and fleeing from predators involves a great deal of cognitive capacity a.....»»
Space travel taxes astronauts" brains. But microbes on the menu could help in unexpected ways
Feeding astronauts on a long mission to Mars goes well beyond ensuring they have enough nutrients and calories to survive their multi-year journey......»»
Climate denialists find new ways to monetize disinformation on YouTube
Majority of climate-denial content posted now does not violate YouTube's policy. Enlarge (credit: PM Images | DigitalVision) Content creators have spent the past five years developing new tactics to evade YouTube's polic.....»»
AI is changing the cockpit as well as the brains of the car
Intel, Nvidia, Qualcomm highlighted new forms of this consolidated vehicle architecture at CES this year, combining many of the microprocessors into two or three system-on-chips......»»
A global study reveals pathways to save threatened sharks, despite rising mortality trends
Sharks have persisted as powerful ocean predators for more than 400 million years. They survived five mass extinctions, diversifying into an amazing variety of forms and lifestyles. But this ancient lineage is now among the world's most threatened sp.....»»
ABB buys tech company to give next-generation industrial robots eyes and brains
The deal to buy Sevensense, a Swiss startup, is the latest robotics investment by ABB and follows growing demand for industrial robots that can move and work independently......»»
Unveiling the reproductive secrets of red-swamp crayfish
Procambarus clarkii is a crustacean species native to American freshwater bodies. Brought to Japan in the 1920s as a feed for frogs, this crustacean has slowly taken over the Japanese freshwaters by predation and propagation. In fact, in 2023, the re.....»»
Invasive, carnivorous frogs are now breeding in Georgia, biologists say
An invasive species of carnivorous tree frogs that feed on native wildlife are now breeding in Georgia, a sign that the amphibians have gained a stronger foothold in the state, biologists say......»»
Engineers invent octopus-inspired technology that can deceive and signal
With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling. Researchers at the University of California, Irvine have d.....»»
High levels of mercury traced to particular cell types in brains of mammals
Exposure to mercury (Hg) is extremely neurotoxic in most chemical forms. Even scientists who study mercury compounds are at risk due to potential exposure to Hg. Renowned physicist Michael Faraday suffered from Hg poisoning due to prolonged exposure.....»»
"Giant" predator worms more than half a billion years old discovered in North Greenland
Fossils of a new group of animal predators have been located in the Early Cambrian Sirius Passet fossil locality in North Greenland. These large worms may be some of the earliest carnivorous animals to have colonized the water column more than 518 mi.....»»
Male southern elephant seals are picky eaters, study suggests
As one of the top predators roaming Antarctica, the sizeable southern elephant seal has its fair selection of the menu. But it turns out they don't just want to eat anything and everything......»»
Hackers employ nuanced tactics to evade detection
Threat actors evolved tactics, opting for a more nuanced approach that spread attacks across a broader timeframe to blend in with legitimate traffic and evade detection during peak holiday shopping times, according to Cequence Security. 2023 holiday.....»»
"What"s on today"s menu?": Why it"s important to study the trophic behavior of local predators
Trophic ecology is the study of the food chain. On Tenerife in the Canary Islands, feral cats feast chiefly on rabbits, mice, rats, and native birds and reptiles. But new research shows that since 1986, the island's wild cats have experienced a signi.....»»
Switching off from work has never been harder, or more necessary. Here"s how to do it
In the hit dystopian TV series "Severance," employees at biotech corporation Lumon Industries find it easy to separate work and home life. A computer chip is inserted in their brains to act as a "mindwipe." They leave all thoughts of home behind whil.....»»
The best laptops for writers from Apple, Dell, HP, and more
Writers need great keyboards to make sure their fingers can keep up with their brains when writing copy. These are the best around......»»
Amber analyses show that insects already had a variety of defense strategies in the Cretaceous
Analyses of amber show that insect larvae were already using a wide variety of tactics to protect themselves from predators 100 million years ago......»»
World"s smallest "fanged" frogs found in Indonesia
In general, frogs' teeth aren't anything to write home about—they look like pointy little pinpricks lining the upper jaw. But one group of stream-dwelling frogs in Southeast Asia has a strange adaptation: two bony "fangs" jutting out of their lower.....»»
Protein allows poison dart frogs to accumulate toxins safely, shows study
Scientists have identified the protein that helps poison dart frogs safely accumulate their namesake toxins, according to a study published today in eLife. The findings solve a long-standing scientific mystery and may suggest potential therapeutic st.....»»
Human brain cells put much more energy into signaling
Signaling molecules help modulate the brain's overall activity. Enlarge (credit: Westend61) Indian elephants have larger brains than we do (obviously). Mice have a higher brain-to-body mass ratio, and long-finned pilot w.....»»
Antarctic krill head south: Scientists fear the movement will have a negative impact on predators
Some populations of Antarctic krill are shifting south, closer to Antarctica, as ocean warming and sea-ice changes alter their habitat. Scientists fear the movement of krill will have a negative impact on predators like whales, seals and penguins, an.....»»