Gas
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Scientists have fashioned graphene into microscopic balloons they say can distinguish between different kinds of noble gases, by measuring how long the gas takes to escape through tiny perforations in the surface of the balloons.
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Astronomers at Ohio State University have taken the mean temperature of cosmic gas at different distances and ages, and found that it’s roughly 10 times hotter today than it was 10 billion years ago, thanks to the evolution of galaxies and clusters.
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While Mars may be the most likely place we might find life beyond Earth, it's not alone. High in the atmosphere of Venus, astronomers have made the startling discovery of a gas called phosphine – a strong contender for a sign of microbial life.
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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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Supernovae are some of the most energetic events in the universe, and the resulting nebulas are a favorite for stargazers. To better understand the physics behind them, researchers at Georgia Tech have created a “supernova machine” in the lab.
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Israeli company HomeBiogas has just introduced a third generation model it says produces 30 percent more clean fuel than its previous system, along with fertilizer to give your plant life a boost.
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Artificial leaves can convert sunlight, water and carbon dioxide into energy or even be used to produce fuels. Now, researchers from Cambridge have developed a new version that can produce synthetic gas (or syngas) without releasing carbon dioxide.
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Ordinarily, if it's suspected that toxic airborne chemicals may be present in a given area, the analysis process can take several days. Now, however, scientists have developed a device that they claim can analyze the air within 10 seconds.
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Though it seems empty, the intergalactic medium (IGM) actually contains more matter than galaxies do. Now, astronomers have used simulations to reveal new details about the structure of this matter, showing that “intergalactic pancakes” spanning millions of light-years collapse into a cosmic fog.
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A study has affirmed the anesthetic xenon can help prevent long-term damage associated with traumatic brain injury (TBI). The research demonstrated in mice that if xenon is administered within a few hours of a TBI it can prevent brain tissue damage that would result in long-term cognitive problems.
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The ExoMars Trace Gas Orbiter (TGO) has made a map of the distribution of watery minerals in the Martian surface, studied how the global dust storm affected the atmosphere, and intriguingly found very little methane, which calls into question the results of a study just last week.
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The mystery of methane on Mars has been wafting around for decades. Now, using data gathered by the ESA's Mars Express orbiter and NASA's Curiosity rover on the ground, a new study has not only confirmed that the gas is there, but identified its likely source.
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