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Hubble Reveals Cosmic Bullet That Gave The Bullseye Galaxy Its Record-Breaking Rings Space 1 hour ago

1 天前 · A new model of Alzheimer's disease has been proposed, which could speed up efforts to understand and cure the complex condition – while bringing all manifestations of the condition under one unifying theory. Researchers from Arizona State University suggest that stress granules – protein and RNA ...

4 天之前 · Earth has two permanent radiation belts known as the Van Allen belts, an inner belt closer to the planet, and an outer belt encircling both. This is a good thing; it's sort of like a planetary defense system that protects our planet from direct bombardment by solar particles, and allows us to live here relatively unscathed.. A diagram showing the …

4 天之前 · Among the things they measured were levels of hemoglobin, the protein in red blood cells responsible for delivering oxygen to tissues.They also measured how much oxygen was being carried by the hemoglobin. Interestingly, the women who demonstrated the highest rate of live births had hemoglobin levels that were neither high nor low, but average for the testing group.

6 天之前 · Extreme heat will reach dangerous levels – even for younger people – across an area equivalent to the size of the United States if Earth's global warming hits two degrees Celsius, scientists warned on Tuesday. Climate change is driving an increasing number of deadly heatwaves across the world ...

Hubble Reveals Cosmic Bullet That Gave The Bullseye Galaxy Its Record-Breaking Rings Space 3 hours ago

2025年2月4日 · Postmortem brain samples collected last year contain considerably more microplastics than similar samples collected nearly a decade ago, a new study has found, indicating the tiny synthetic particles accumulate in our vital organs over time.

Earth's magnetosphere is a guiding beacon for a variety of species capable of sensing its presence. Physicists have now discovered two types of sensors in animals that can detect magnetic fields close to the quantum limit, information that could improve our own design of magnetometer devices.

2025年1月29日 · With all that excess energy already decimating wildlife en masse, leaving millions hungry from destroyed crops, and exacerbating diseases and other health conditions, it's hard to fathom how much worse this will rapidly get.. Aftermath of the floods in Valencia, Spain, 20 October 2024. (David Ramos/Staff/Getty Image News) "Policy makers and wider society should be aware that the rate of global ...