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Phys.org / What was the Christmas star? Astronomy might hold the answer

In the run up to Christmas, carols fill the air. Many have an astronomical twist, singing of the "Christmas Star" from the story of the nativity. Described in the Gospel of Matthew, the star guided the three wise men to the ...

13 hours ago in Astronomy & Space
Medical Xpress / Researchers identify protein that mimics exercise to boost bone strength in aging adults

A research team from the Department of Medicine, School of Clinical Medicine, LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has uncovered a key biological mechanism that explains how exercise maintains strong ...

14 hours ago in Gerontology & Geriatrics
Medical Xpress / B cells temporarily regain stem-like flexibility, increasing risk of lymphoma formation

Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During their preparation for this battle, B cells transiently revert to a more flexible (plastic) stem-cell-like ...

12 hours ago in Medical research
Medical Xpress / Inhibiting PGAM-Chk1 binding in the senescent cells of mice appears to slow aging

Aged and frail people often suffer a decline in tissue reserve capacity during aging. This reserve, called resilience, helps the body maintain homeostasis through various defense, compensation, modulation, and repair responses. ...

12 hours ago in Gerontology & Geriatrics
Medical Xpress / Breast cancer drug boosts leukemia treatment: Unexpected duo shows promise in overcoming resistance

A research team at Oregon Health & Science University has discovered a promising new drug combination that may help people with acute myeloid leukemia overcome resistance to one of the most common frontline therapies.

13 hours ago in Medications
Phys.org / Pine beetles are poised to decimate Colorado Front Range forests: 'Our ability to stop the spread is very limited'

Vast swaths of the ponderosa pine forests that blanket Colorado's Front Range mountains could turn rust-colored and die over the next five years as pine beetles begin to spread aggressively, new federal forecasts show.

3 hours ago in Biology
Medical Xpress / Gestational diabetes rose every year in the US since 2016, study finds

Gestational diabetes rose every single year in the U.S. from 2016 through 2024, according to a new Northwestern Medicine analysis of more than 12 million U.S. births. The condition, which raises health risks for both mother ...

13 hours ago in Diabetes
Medical Xpress / New sprayable powder forms instant gel barrier to stop severe bleeding in seconds

The leading cause of death due to injuries in war is excessive bleeding. A KAIST research team, in which an Army Major participated, has tackled this issue head-on. By developing a next-generation powder-type hemostatic agent ...

16 hours ago in Health
Phys.org / How a bacteria-busting spray could help solve a meaty problem

University of Otago scientists are harnessing the power of peptides—the body's own tiny protein molecules—for a spray to help the red meat industry solve headaches around bacterial contamination and spoilage.

13 hours ago in Biology
Phys.org / These Illinois dairy and beef farms make raising methane-belching cows part of the climate solution

Illinois is a top agricultural state, generating billions of dollars annually, but even where stalks of corn and acres of soybean vastly outnumber its 400,000 head of cattle, cows raised for beef and dairy account for an ...

17 hours ago in Earth
Phys.org / Novel model to reveal deep-sea black coral symbiotic system

A research team has achieved a significant breakthrough in understanding the adaptive strategies of the deep-sea black coral Bathypathes pseudoalternata (B. pseudoalternata) and its symbiotic microbiome. The study has been ...

14 hours ago in Biology
Tech Xplore / AI models stumble on basic multiplication without special training methods, study finds

These days, large language models can handle increasingly complex tasks, writing complex code and engaging in sophisticated reasoning. But when it comes to four-digit multiplication, a task taught in elementary school, even ...

15 hours ago in Computer Sciences