Research breakthroughs across physics, biology, climate, and the natural world.
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A black hole observed during a dramatic 2023 eruption did not simply devour gas from its nearby companion star. It also expelled large amounts of material through powerful jets and winds, even after the outburst had nearly faded. The results suggest black holes may continue reshaping their surroundings long after their brightest fireworks end.
Scientists traced a mysterious surge of low-energy gamma rays from zinc-70 to magnetic changes occurring inside its nucleus. The breakthrough could improve models of how stars, supernovae, and neutron star mergers create heavy elements.
A study finds road traffic kills have an exaggerated impact on the viability of small groups.
The area's National Trust countryside manager says nesting birds, reptiles, small mammals and amphibians will have died.
Engineers have transformed a notoriously brittle cobalt-aluminum compound into a material that is both extremely strong and capable of bending without breaking. Their nanoscale design produced a yield strength about six to 10 times greater than high-strength structural steel while sustaining substantial deformation at room temperature. The approach could enable tougher turbine blades and higher-performance engines.
Physicists have uncovered a surprising limit to electrical resistance caused by particles colliding. Using ultracold potassium atoms trapped in a grid of light, researchers created a highly controlled stand-in for electrons moving through a solid. As collisions became more frequent and intense, resistance initially rose, but eventually hit a ceiling and stopped increasing.
Researchers have uncovered a possible biological pathway connecting obesity to Alzheimer’s disease. Obesity appears to raise levels of certain fat molecules that can travel to the brain, disrupt its immune defenses, and promote harmful amyloid buildup. Correcting this fat imbalance improved memory and brain function in Alzheimer’s models.
Keeping a regular daily schedule may help reduce pain and depression, especially among older adults with insomnia. Researchers found that consistent times for waking, eating, socializing, and sleeping were linked to better well-being regardless of sleep quality. These routines may strengthen the body’s internal clock and limit the disruptive effects of “social jet lag.”
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