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Science X / Our ancient continents were built from sun-baked ocean leftovers, proving Earth was recycling long before it was cool

New isotopic evidence is rewriting the story of Earth's first continents. Imagine the planet nearly 3.8 billion years ago: a water world ringed by volcanic islands. How did solid continents arise in such an alien world?

4 hours ago
Tech Xplore / Seven smart rings promise to break sign language barriers by turning hand movements into instant text

Researchers in South Korea have developed a new sign language translation system based on users wearing seven rings equipped with sensors. According to a new study published in the journal Science Advances, the technology ...

4 hours ago
Tech Xplore / Cracking the code of hypersonic flight: A decade of experiments maps turbulent physics of ultra-fast travel

From the heartbreak of an early flight failure to a resounding triumph over the Norwegian Sea, the Boundary Layer Transition and Turbulence (BOLT) Program spent nearly a decade launching rockets into the atmosphere, to investigate ...

1 hour ago
Medical Xpress / AI models comb patient data to predict cardiac arrest risk

Researchers have developed artificial intelligence (AI) models that can scrutinize electronic health records (EHR) and electrocardiograms to identify individuals in the general population at elevated risk for sudden cardiac ...

1 hour ago
Medical Xpress / Depression blunts food anticipation, not enjoyment during eating, finds study

The loss of interest or pleasure in normally enjoyable activities, which is experienced in everyday life and can be very distressing, is a core symptom of major depression. However, it has remained unclear exactly how anhedonia, ...

1 hour ago
Phys.org / 80 years after the Trinity nuclear test, scientists identify new molecule-trapping crystal formed in the blast

Matter behaves strangely under extreme conditions, and often, remnants of these behaviors are left behind even when conditions return to normal. The Trinity nuclear test in 1945 left behind such remnants, and now, 80 years ...

5 hours ago
Phys.org / Western Australia is edging toward desertification

Australia is the driest inhabited continent on Earth. Somehow, it feels like it's getting hotter and drier every day.

1 hour ago
Tech Xplore / Open-source 'digital twin' enables end-to-end testing of applications over wireless

Researchers at the University of California San Diego have developed an open-source "digital twin" of a wireless network, giving graduate students, startups and other innovators a free, easy-to-use way to test new technologies ...

2 hours ago
Medical Xpress / How the timing of trauma leaves a lasting mark on the brain and behavior

A research team from the Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology), in collaboration with the IRCCS Istituto Giannina Gaslini in Genoa (Italy), has demonstrated that traumatic experiences occurring ...

1 hour ago
Medical Xpress / New study challenges the idea that testosterone drives risk-taking behavior

Men are more likely to take risks in tricky situations than women, but whether there is an inherent biological reason behind it is a question researchers have been asking for quite some time. A popular theory suggests that ...

4 hours ago
Phys.org / Self-activating catalysts boost hydrogen output by reshaping themselves during electrolysis

To what extent can self-activating catalysts enhance hydrogen production in electrolyzers? Researchers at Johannes Gutenberg University Mainz (JGU) have investigated this question, and their findings were published in Advanced ...

2 hours ago
Medical Xpress / Role of RNA binding protein with multiple splicing in acute myeloid leukemia revealed

Acute myeloid leukemia (AML) is one of the most aggressive blood cancers and is characterized by the rapid growth of immature myeloid precursor cells. It predominantly affects elderly people, and current treatment options ...

1 hour ago