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Medical Xpress / Wearable polygraph tracks hidden stress through five body signals in real time

Northwestern University engineers have developed a small, wireless polygraph system you can wear. Unlike polygraphs used in television crime dramas, this wearable version isn't optimized to detect lies. Instead, engineers ...

3 hours ago
Medical Xpress / Red meat is evolution's double-edged sword, argue researchers

A new interdisciplinary review published in The Quarterly Review of Biology argues that red meat, once an essential component of human evolution, has become a significant threat to human health and planetary sustainability. ...

2 hours ago
Tech Xplore / Meta launches WhatsApp 'incognito' mode to address privacy concerns for AI chats

Meta Platforms said Wednesday it's rolling out an "incognito" mode for WhatsApp users to have private conversations with its AI chatbot, a move intended to ease privacy concerns about sensitive information that users share ...

2 hours ago
Phys.org / More selective breeding might help flat-faced dogs to breathe easier

Breeding programs could alter heritable dog characteristics to reduce the rates of brachycephalic obstructive airway syndrome (BOAS), a breathing disorder common in dogs such as Bulldogs, French Bulldogs and Pugs—according ...

3 hours ago
Medical Xpress / Wearable sweat sensor monitors multiple biomarkers continuously for 21 days

University of California, Irvine researchers have invented a wearable, wireless, battery-free, bioelectronic sensor to monitor users' health by analyzing molecular biomarkers in human sweat. The device is called the In-Situ ...

2 hours ago
Phys.org / Prehistoric Danish people continued to eat fish and hunt even after the rise of agriculture, study indicates

Agriculture reached the coast of southern Denmark around 4000 BCE, but these prehistoric Scandinavians continued to fish and hunt too, according to a study published in PLOS One by Daniel Groß from the Museum Lolland-Falster, ...

3 hours ago
Medical Xpress / Mouth stem cells could help beat brain cancer defenses

Stem cells found in the lining of the mouth could help make the most aggressive form of brain cancer easier to treat, according to new research from the University of Reading. The stem cells release a mixture of proteins ...

2 hours ago
Phys.org / AI tool boosts imperfect antibiotic candidates, with 85% working in lab tests

Researchers at the University of Pennsylvania have developed ApexGO, a novel, AI-powered method for turning promising but imperfect antibiotic candidates into more potent ones. Unlike many existing AI approaches to antibiotic ...

4 hours ago
Phys.org / Slower winds help grasslands enhance carbon gain while saving water, study finds

Grasslands, covering 40% of Earth's vegetated surface, play a crucial role in the global carbon balance but are increasingly threatened by climate-driven water scarcity. A new study published in Science Advances finds, however, ...

3 hours ago
Phys.org / TESS reveals fullest night-sky map yet, with nearly 6,000 exoplanet worlds

NASA's TESS (Transiting Exoplanet Survey Satellite) has released its most complete view of the starry sky to date, filling in gaps from previous observations. Nearly 6,000 colored dots scattered across the image show the ...

2 hours ago
Medical Xpress / New rules for used prosthetic feet could curb 'medical equipment graveyards'

Researchers have proposed new standards into the decades-old prosthetic donations market, improving the quality of lower limb prosthetic feet by two-thirds—a major quality of life boost for recipients.

3 hours ago
Phys.org / Rivalry with neighboring groups may be a key driver of male size in primates

In many primate species, males are much larger than their female counterparts, which is generally attributed to male competition for mates (sexual selection). But bigger bodies may not just be about alpha males defeating ...

7 hours ago