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Medical Xpress / Lower dopamine may drive teen risk-taking that fades with age
Teenage risk-taking, such as experimentation with alcohol, cannabis, nicotine and other substances, may reflect a compensatory response to lower baseline dopamine, the brain chemical for reward activity, a new University ...
Medical Xpress / Chlamydia vaccine push gets blueprint as key membrane protein structure emerges
Scientists at UT Southwestern Medical Center, working with other U.S. researchers, have uncovered the structure of a key cell membrane protein in a bacterial model for Chlamydia trachomatis, the cause of the world's most ...
Phys.org / Nickelate superconductors share a common electronic fingerprint
Superconductors, materials that conduct electricity with zero electrical resistance at specific temperature ranges, have proved very promising for the development of quantum computers and other cutting-edge technologies. ...
Medical Xpress / Fasting after 60 changes more than waistlines, exposing a trade-off many dieters never see coming
Most folks know intermittent fasting helps with weight loss, usually by limiting your daily eating window or cutting calories a couple of times a week. But does your age change how well this works for you—and might there ...
Phys.org / Antiviral soil compound disrupts phage infection cycle before viruses can reproduce
Bacteria also produce molecules that have an antiviral effect. Researchers from Heinrich Heine University Düsseldorf (HHU) and Jülich Research Center (FZJ) have examined the antiviral molecule daunorubicin and decoded its ...
Phys.org / Elusive Cozumel dwarf fox reappears in first confirmed photos after two decades
A publication has revealed the first photographic evidence and confirmed sighting of the Cozumel dwarf fox in more than 20 years. Published in the journal Neotropical Biology and Conservation by researchers Travis D. Bayer, ...
Phys.org / Archaeologists uncover 4,000-year-old evidence of siege warfare in ancient Mesopotamia
At Kurd Qaburstan, an ancient site in the Kurdistan region of Iraq, archaeologists have uncovered the first substantial group of cuneiform administrative tablets found in the Erbil region, along with evidence of large-scale ...
Phys.org / Frozen rat chromosome springs back to life inside a mouse embryo
Scientists in Japan have developed a rat-mouse hybrid embryo from a single frozen rat chromosome transplanted into a mouse egg cell. The achievement is proof that genetic material can sometimes remain functional after cryopreservation ...
Medical Xpress / A fentanyl countermeasure that adapts to combat future black-market drugs
Fentanyl and related variants of the synthetic opioid kill more Americans each year than car accidents and gun violence combined. In too-high doses, the drugs hijack brain chemistry and shut down the signals that control ...
Medical Xpress / Could the World Cup cause the next pandemic? Scientists mapped the risks
Spread across 11 U.S. host cities, the 2026 World Cup is bringing together teams and fans from 48 countries. From travel logistics to accommodations for hundreds of thousands of visitors, organizers are addressing a host ...
Medical Xpress / The high cost of undiagnosed and untreated ADHD: Unequal mental‑health access and the care economy
Attention deficit hyperactivity disorder (ADHD) is a common neurodevelopmental disorder that can persist from childhood into older adulthood. It affects individuals from all ethnic groups and socioeconomic backgrounds.
Phys.org / 'Janus-faced' nanomaterials pave the way for selectively capturing radioactive pollutants
A KAIST research team has succeeded, for the first time, in synthesizing the core raw material for fabricating asymmetric MXene, a so-called "Janus-faced" nanomaterial that can perform distinct functions because of differing ...
