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Mysterious Flashes Traced to Cosmic Cloud's Encounter With …
1 day ago · Space 15 November 2024. By Brian Koberlein, Universe Today. A pair of monster black holes swirl in a cloud of gas in this artist’s concept of AT 2021hdr. (NASA/Aurore Simonnet/Sonoma State University) In March 2021, astronomers observed a high-energy burst of light from a distant galaxy. Assigned the name AT 2021hdr, it was thought to be a ...
Memory Is Not Confined to Our Brains, Scientists Discover
2 days ago · Multiple cycles of chemical activity through a repeated behavior is what triggers the memory-formation process among our neurons, encoding incresasingly stronger memories. This phenomenon is called the massed-spaced effect and is highly conserved in all animals at both the cellular and behavioral levels. By exposing non-brain nerve and kidney ...
Fusion Breakthrough: 6 Minutes of Plasma Sets New Reactor Record
May 7, 2024 · The ultimate goal is to sustain a super-hot plasma for many hours, but 6 minutes is a new world record for a device like WEST. Other nuclear reactors similar to WEST have created hotter plasmas, but they haven't lasted as long. WEST is what's called a tokamak. It's a donut-shaped fusion reactor the size of an 8-by-8-foot room with 8-foot-tall ...
44% of Warm-Water Coral Faces Extinction as Temperatures Rise
2 days ago · Almost half of all warm-water species of coral are threatened with extinction – and climate change is the chief culprit, a new report said on Wednesday.. The updated risk assessment from the International Union for Conservation of Nature (IUCN) was announced at the COP29 climate summit in Azerbaijan, which is being skipped by the leaders of …
The Sun Is More Active Than Scientists Anticipated. Here's What It ...
Aug 22, 2024 · The Sun's activity is expected to continue to increase until it reaches peak activity levels, which scientists call solar maximum. "Current predictions suggest solar maximum will occur in the second half of 2025, but we'll only really know when the true maximum has occurred after the activity starts to decline again," James said. Though this ...
A Mysterious Extinct Species Seeded Their Genes in Modern Humans
"By leveraging the surviving Denisovan segments in modern human genomes scientists have uncovered evidence of at least three past events whereby genes from distinct Denisovan populations made their way into the genetic signatures of modern humans," says Ongaro. Branches of Denisovan populations have affected the genes of modern human populations across Oceania, South East Asia, and Siberia.
Physicists Simulated a Black Hole in The Lab, And Then
A black hole analog could tell us a thing or two about an elusive radiation theoretically emitted by the real thing.. Using a chain of atoms in single-file to simulate the event horizon of a black hole, a team of physicists in 2022 observed the equivalent of what we call Hawking radiation – particles born from disturbances in the quantum fluctuations caused by the black hole's break in ...
Scientists Discover How Complex Molecules May Have Stabilized …
Highly reactive complex molecules finding some sort of stability was a necessary step towards life getting started on Earth. Scientists think they've just discovered how these first began to stay intact and spark the journey towards organisms. We haven't been able to explain how the simple molecules that would've been floating around in the ...