All News

Phys.org / Rich medieval Christians bought graves 'closer to God' despite leprosy stigma, archaeologists find

Medieval Christians in Denmark showed off their wealth in death by buying prestigious graves: the closer to the church, the higher the price. Researchers used these gravesites to investigate social exclusion based on illness, ...

2 hours ago in Other Sciences
Medical Xpress / Addictive digital habits in early adolescence linked to mental health struggles, study finds

New research following US adolescents aged 11–12 shows that problematic use of mobile phones, social media, and video games was associated with higher risks of mental health problems, sleep disturbance, and suicidal behaviors ...

2 hours ago in Psychology & Psychiatry
Phys.org / Only humans have chins: Study shows it's an evolutionary accident

Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin was among the facial features Hammett used to describe his fictional detective's appearance, but ...

13 hours ago in Biology
Tech Xplore / Water-based electrolyte helps create safer and long-lasting Zn-Mn batteries

Many countries worldwide are increasingly investing in new infrastructure that enables the production of electricity from renewable energy sources, particularly wind and sunlight. To make the best of these energy solutions, ...

10 hours ago in Engineering
Dialog / Rethinking climate change: Natural variability, solar forcing, model uncertainties, and policy implications

Current global climate models (GCMs) support with high confidence the view that rising greenhouse gases and other anthropogenic forcings account for nearly all observed global surface warming—slightly above 1 °C—since ...

8 hours ago in Earth
Phys.org / Unseen planet or brown dwarf may have hidden 'rare' fading star

One of the longest stellar dimming events ever observed was likely caused by the gigantic saucer-like rings of either an unseen brown dwarf or "super-Jupiter" blocking its host star's light, astronomers say. For decades, ...

7 hours ago in Astronomy & Space
Tech Xplore / Bio-inspired chip helps robots and self-driving cars react faster to movement

Robots and self-driving cars could soon benefit from a new kind of brain-inspired hardware that can allegedly detect movement and react faster than a human. A new study published in the journal Nature Communications details ...

12 hours ago in Hardware
Phys.org / How a tiny shrimp could hold the clue to better armor

Modern armor systems do not do a good enough job of protecting humans from blast-induced neurotrauma (brain and eye damage). To improve them, we may have to look to nature. In particular, a tiny shrimp that is able to protect ...

13 hours ago in Biology
Phys.org / New experiments suggest Earth's core contains up to 45 oceans' worth of hydrogen

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's suspected to be a major ...

14 hours ago in Earth
Phys.org / Ancient DNA suggests hunter-gatherers in Europe's lowlands endured until 2500 BCE

Researchers at the University of Huddersfield have used ancient DNA to reveal that hunter-gatherers in one part of Europe survived for thousands of years longer than anywhere else on the continent—and have uncovered the ...

11 hours ago in Other Sciences
Phys.org / Antarctic magnetic anomaly is a trace of an ancient continental collision, scientists find

Geologists from St. Petersburg State University, as part of an international scientific team, have analyzed rock data from East Antarctica and determined that the magnetic anomaly in this region resulted from the convergence ...

4 hours ago in Earth
Medical Xpress / Study finds PM2.5-linked cardiovascular deaths fell 45% since 2001, disparities persist

Clean air laws have led to a significant reduction in long-term exposure to fine particulate air pollution across much of the United States over the past two decades, yet tens of thousands of Americans still die each year ...

7 hours ago in Health