To avoid a future where once-routine procedures become life-threatening again, new ways to fight bacteria need to be developed. A new study has now shown oxygen can be weaponized against antibiotic-resistant bacteria, by way of nanoparticles activated by light.
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Ordinary (or baryonic) matter is relatively rare in the universe, and there seems to be a huge chunk of it missing. After 20 years of scouring the sky, astronomers using the ESA’s XMM-Newton observatory have now found clues to this missing matter hiding in intergalactic gas.
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Elements like oxygen, carbon and nitrogen weren’t very common until the first stars had fired up, burnt out and exploded. Now, astronomers using ALMA have detected the most distant – and hence, earliest – signature of oxygen, in a galaxy 13.28 billion light-years away.
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Metals may seem tough, but given enough time even plain old air can be their undoing. An MIT team has found that aluminum can be protected from oxidation by a thin coating of aluminum oxide, which acts like a liquid, flowing to fill any gaps as they form.
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Billions of years ago, the Great Oxygenation Event wiped out most life on Earth at the time. This ramped up about 2.5 billion years ago, but now scientists have discovered signs of the oldest known “oxygen oasis” in South Africa, showing that the process started almost half a billion years earlier.
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What initially started out as a MIT research project has now become the Humon Hex, a fitness wearable that can measure how an athlete’s muscles are using oxygen in real time.
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Researchers at MIT have developed a new membrane-based system that can convert carbon dioxide emissions into useful alternate fuels. The process has been effectively demonstrated on a small-scale and the researchers hope to ultimately adapt the system to conventional fossil fuel-based power plants.
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If help comes quickly enough, the heart can be restarted after a person has officially died, but the resulting brain damage can be devastating. Now doctors have successfully reversed the brain damage of a two-year-old drowning victim, using oxygen therapy techniques.
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Sea spiders already look decidedly alien, like they’re about to latch onto your face, but now scientists have found they’re equally bizarre on the inside. With weak hearts, the crafty creatures instead use a sprawling system of guts to pump blood and oxygen throughout their bodies.
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For many adventurers, scaling Mount Everest is an endurance test like no other. For the Sherpas, it’s all in a day’s work. After all, they routinely set the record for the fastest and most ascents. So how do they do it? According to a new study, the answer could literally be in their blood.
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