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Medical Xpress / How childhood trauma may increase vulnerability to apathy

Experiencing trauma in childhood can lead to a lack of motivation and less pleasure from rewards—or anhedonia—later in life. In humans, childhood trauma is linked to changes in the activity of reward-related brain pathways ...

5 minutes ago
Medical Xpress / Booster vaccination strengthens existing defenses against newer COVID-19 variants

The SARS-CoV-2 genome is subject to constant mutations. Some of these mutations reduce the effectiveness of RNA-based vaccines, which consequently have to be adapted regularly. Until now, however, it was unclear how the immune ...

45 minutes ago
Medical Xpress / Obesity weakens anti-tumor immune response in lung cancer, but exercise may restore it

Obesity can weaken the immune system's tumor-killing responses in lung cancer, leading to disease progression, but a new study by experts at Roswell Park Comprehensive Cancer Center reveals that exercise may reverse this ...

25 minutes ago
Medical Xpress / Experimental pill targets nerve pain pathway, cutting opioid use after abdominal surgery

Opioids can be highly effective at relieving moderate to severe pain, whether it comes from surgery, an injury or conditions such as cancer. They work by activating opioid receptors in the brain and body, which block pain ...

1 hour ago
Phys.org / TikTok video leads to discovery of rare underground eel in India

Researchers have discovered a new genus and species of underground earthworm eel living beneath the Indo-Gangetic Plain in Bihar, northern India. The small, colorless creature, named Gangaichthys indonepalicus, is the first ...

1 hour ago
Medical Xpress / Rare gene variants may multiply Alzheimer's disease risk

Alzheimer's disease is the most common form of dementia worldwide, and its development is influenced by a combination of genetic and environmental factors. In recent years, the PLCG2 gene and its encoded enzyme, PLCγ2, have ...

1 hour ago
Phys.org / First pair of feeding supermassive black holes found in a Green Pea galaxy

Astronomers have discovered the first confirmed dual active galactic nucleus in a Green Pea galaxy, revealing two supermassive black holes growing at the same time inside a compact, intensely star-forming system. X-ray observations ...

1 hour ago
Phys.org / Dark matter may be gravitationally lensing a likely source of cosmic neutrinos

Astronomers have discovered that the jet of a distant blazar has been gravitationally lensed by an unseen source of dark matter. Led by Silke Britzen at the Max Planck Institute for Radio Astronomy in Germany, the team's ...

4 hours ago
Tech Xplore / Could urine help make EV batteries? Electricity converts urea into hydrazine for energy storage

A team of researchers from Adelaide University's School of Chemical Engineering has identified a new way to create an important chemical for energy storage using urea. Hydrazine, the chemical in question, is widely used in ...

1 hour ago
Phys.org / Who's watching who? Otters turn their attention to humans

For many people, a trip to the zoo is a chance to watch playful otters dart through the water and chatter with one another. But while we may worry that crowds could stress the otter community, a new Australian study shows ...

1 hour ago
Phys.org / Amber fossil reveals firefly relative with unprecedented antennae

Insects rely on a wide range of strategies to sense their surroundings and communicate with their peers. Fireflies (Lampyridae) and some related beetles are known for their ability to produce visible light through chemical ...

5 hours ago
Medical Xpress / Magnetic screw robot drills through brain tissue and retraces its path in lab tests

Researchers from the UT and Radboudumc have steered a tiny screw-shaped robot through real brain tissue, controlled only by a magnet outside the body. The test used sheep brain tissue in the lab. The team built a model that ...

1 hour ago