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Medical Xpress / How a brain messenger protein drives progression of Alzheimer's disease

Alzheimer's disease is driven by a buildup of a toxic protein called Tau that kills neurons. As toxic Tau spreads to new regions of the brain, symptoms worsen and ultimately become fatal.

7 minutes ago
Phys.org / Childbirth is not uniquely difficult to humans

The tight fit of a baby's head through a mother's birth canal, which causes great difficulty in childbirth, is not unique to humans, as previously understood. Instead, some small-bodied primate babies have heads almost twice ...

7 minutes ago
Tech Xplore / Plastic bottles could find new life in batteries as graphite

A plastic bottle tossed into a recycling bin could one day help power an electric vehicle, smartphone or renewable energy storage system, according to a team of Penn State researchers.

7 minutes ago
Phys.org / Ultra-faint galaxy discovered near Andromeda may be 12.5 billion years old

A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way's large neighboring galaxy. The new study, published in Astronomy & Astrophysics suggests that the galaxy, named And XXXVI, ...

27 minutes ago
Phys.org / UV light patterns thermochromic crystals without damage, unlocking color-changing designs

Color-changing mood rings, forehead fever strips and car-shade indicators all change hues as they warm and cool, thanks to a phenomenon called thermochromism. On a smaller scale, thermochromism is used in nanotechnologies ...

47 minutes ago
Tech Xplore / A diving suit for cyborg cockroaches could enhance search-and-rescue operations

Scientists from NTU Singapore and Waseda University have developed a flexible "diving suit" for cyborg cockroaches, enabling the insects to survive and move underwater and in low-oxygen environments for up to three hours. ...

27 minutes ago
Medical Xpress / Intestinal cells starve Salmonella of essential nutrients, revealing new tactic in infection defense

Salmonella, an infection that causes diarrhea, fever and abdominal pain, is the most common form of bacterial food poisoning in the U.S., sickening more than a million people each year. Although most healthy people recover ...

27 minutes ago
Phys.org / Age bias discovered in AI

Do responses generated by artificial intelligence systems such as ChatGPT reflect social prejudice? A KAIST research team has quantitatively analyzed and identified age-related stereotypes embedded in the responses of generative ...

1 hour ago
Medical Xpress / Supporting people with disability to participate in sport

Taking part in sport offers more than just improved fitness or mental well-being for people with disability; it can also build confidence, independence and create a deeper sense of belonging in the community. Despite the ...

47 minutes ago
Medical Xpress / Low grip strength should not be used as an independent predictor of prostate cancer in older men

New research suggests that low handgrip strength alone is not a reliable predictor of increased prostate cancer risk among older men. The relationship between low handgrip strength (HGS) and prostate cancer has long remained ...

7 minutes ago
Phys.org / Exposure to violence contributes to high rates of suicidal thoughts and attempts among transgender people

A new analysis from the Williams Institute at UCLA School of Law of the 2022 U.S. Transgender Survey data finds that among respondents ages 16 and older, 39% reported serious suicidal thoughts in the year before the survey ...

27 minutes ago
Phys.org / Functional NIN persists in non-nodulating plants: Rethinking the loss of symbiosis

Certain plants, including legumes, form specialized root organs known as nodules. These plants establish symbiotic relationships with nitrogen-fixing bacteria and utilize atmospheric nitrogen. This process, termed "root nodule ...

7 minutes ago