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Quantum calculations reveal how spin defects lose energy
Science News

Quantum calculations reveal how spin defects lose energy

When light hits a tiny defect embedded in a solid material like diamond or silicon carbide, it can kick the defect's electrons into an excited state. These spin defects have the potential to be used as stable, readable qubits for quantum technologies, for example, quantum sensing. But modeling the full physics of their energetics over time—a key step in developing spin defects into new technologies—is a challenging task.

📅 2026-10-15 15:40:09    •    Phys.org
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Solving the mystery behind a flightless beetle's transatlantic journey
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Solving the mystery behind a flightless beetle's transatlantic journey

They can't fly or swim, so why do their closest relatives appear on different continents? Grey Gustafson, an associate professor in the Department of Biological Sciences, discovered through DNA sequencing that the ancestors of some of today's tiger beetles existed in South America and Africa before the two continents separated. What's more, North America's largest tiger beetles are related to these ancestral South American giant tiger beetles.

📅 2026-10-15 15:20:11    •    Phys.org
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Scorecard: Colombia gets top marks while high-emitting countries doing too little to protect health from climate change
Science News

Scorecard: Colombia gets top marks while high-emitting countries doing too little to protect health from climate change

The latest Healthy NDC Scorecard, published by the Global Climate and Health Alliance, finds that, Colombia integrates health most deeply into its national climate plan, closely followed by Nigeria and Cambodia. Conversely, the climate commitments of the governments of Japan, New Zealand and India fail to adequately consider health, while high-emitting economies, including EU members, China, Brazil and the U.K., refer to health in their national climate plans but do not match this with the ambitious emissions reduction targets required to protect health.

📅 2026-10-15 15:00:15    •    Phys.org
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Mysterious hole in Neanderthal shoulder blade may have been a 'kill shot' from a wooden spear, according to archaeologists
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Mysterious hole in Neanderthal shoulder blade may have been a 'kill shot' from a wooden spear, according to archaeologists

A Neanderthal who was buried 75,000 years ago in Shanidar Cave in Iraq died from a wooden spear straight through the chest, archaeologists have revealed. While it's impossible to know exactly what happened, the violence may have been a targeted hit. "The position of the wound and the force required to push it right through the Neanderthal's body bear the hallmarks of an intended kill shot directed towards the heart," study first author Emma Pomeroy, a paleoanthropologist at the University of Cambridge, said in a statement. In a study published Thursday (Oct. 15) in the journal Scientific Reports, Pomeroy and co-authors analyzed the bones of Shanidar A, a Neanderthal who died violently at abo...

📅 2026-10-15 15:00:00    •    Live Science
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New smart patch could help detect and treat blood clots after spinal surgery
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New smart patch could help detect and treat blood clots after spinal surgery

Blood clots that develop after spinal surgery can lead to serious complications. When blood accumulates around the spinal cord, it may increase pressure on surrounding nerves, potentially causing severe pain, muscle weakness or even paralysis. Early detection and timely treatment are therefore essential. However, continuously monitoring these complications remains challenging, and conventional treatments may require additional surgery.

📅 2026-10-15 14:20:18    •    Phys.org
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Mysterious brain activity under anesthesia challenges what we know about consciousness
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Mysterious brain activity under anesthesia challenges what we know about consciousness

Even under general anesthesia, the human brain can analyze language, recognize different types of words, and predict what comes next in a story, according to a surprising discovery by Baylor researchers. The findings challenge our understanding of consciousness and suggest that the unconscious brain is far more capable than scientists previously realized.

📅 2026-10-15 12:52:05    •    ScienceDaily
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Arctic sea ice hits another troubling low in 2026
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Arctic sea ice hits another troubling low in 2026

Arctic sea ice is shrinking in both winter and summer, with satellite records revealing that the region's remaining ice is becoming thinner, younger, and more vulnerable to melting. Despite a recent slowdown in summer losses, scientists warn that the Arctic could experience a nearly ice-free summer before 2050.

📅 2026-10-15 12:40:44    •    ScienceDaily
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Why tightly confined water's response to electric fields depends on direction
Science News

Why tightly confined water's response to electric fields depends on direction

Using an advanced new mathematical model, a pair of physicists in Belgium has revealed the origins of an unusual, direction-dependent effect found in water confined to a narrow gap between two plates. Through research published in Physical Review Letters, Mehdi Neek-Amal and Francois Peeters at the University of Antwerp showed how two drastically different dielectric responses in this water emerge from the natural bonding behavior of its molecules.

📅 2026-10-15 12:40:08    •    Phys.org
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