Plasma
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Like weeds that grow back if you don’t remove the roots, cancer can keep returning thanks to stem cells. A new “designer” DNA molecule eradicates these cancer stem cells, with tests in mice showing promising early results in preventing relapse.
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Early findings from a clinical trial suggest severely ill COVID-19 patients do not benefit from a therapy involving infusions of plasma from those recovered from the disease. The trial continues to investigate the therapy in moderately ill patients.
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Astronomers have mapped out a huge invisible region of the galaxy next door. Hubble has detailed the size and structure of Andromeda's gas halo – and found that it’s already bumping up against that of the Milky Way, in advance of a cosmic collision.
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A Chinese team has demonstrated a prototype of a microwave plasma thruster capable of working in the Earth's atmosphere and producing thrust with an efficiency comparable to the jet engines you'd find on modern airliners – under laboratory conditions.
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As researchers rekindle a more than 100-year-old therapy, using blood from recovered COVID-19 subjects as a treatment for newly infected patients, a team in New York is thrusting this old, experimental treatment into the 21st century.
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Rather than trying to see dark matter, a new experimental design from Stockholm University listens for it instead, using an “axion radio.”
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A cold atmospheric plasma system designed to prevent cancer relapse has been approved for human clinical trials by the FDA.
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When scientists need to learn about something, recreating it in the lab is often one of the best ways – and now that even applies to the Sun itself. Physicists from the University of Wisconsin-Madison have built a mini-Sun in the lab, and used it to probe the secrets of the real thing.
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Nuclear fusion could be an essentially unlimited energy source, but large eruptions in the plasma can damage reactors. But now physicists have found a way to prevent those large eruptions, by triggering lots of small ones through the injection of tiny pellets of beryllium.
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In recent years, shoebox-sized "CubeSats" have made satellite technology available to groups that could otherwise never afford it. A new propulsion system, developed at Indiana's Purdue University, could now also make the devices more reliable.
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Particle accelerators have plenty to teach us, but these facilities involve kilometers of tunnels and equipment. Now, researchers at Imperial College London have developed a new way to accelerate antimatter particles using common equipment already found in many labs, in a much smaller space.
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Waiting for water to boil is a minor inconvenience that we’ve all experienced. Maybe next time try the world’s most powerful X-ray laser, which has now been used to boil water to 100,000° C in 75 millionths of a billionth of a second, turning it into a new plasma-like state of matter in the process.
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