Chemical

Scientists have broken a staggering record on the melting point of platinum

Scientists have figured out how to make platinum more affordable as a catalyst: turn it into a liquid at low temperature. We have known for centuries that noble metals like platinum, gold, ruthenium and palladium make excellent catalysts for chemical reactions because they help break chemical bonds between atoms more effective than other metals. But …

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New highly reactive chemical discovered in the atmosphere

Millions of tonnes of a class of extremely reactive chemicals called hydrotrioxides can linger in the atmosphere for several hours, a new study has found, which could have implications for human health and the global climate. Chemicals interact extremely quickly with other compounds, and their presence means chemists will have to rethink how processes occur …

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Hot-blooded or cold-blooded? Chemical clues solve one of paleontology’s oldest mysteries

Schematic drawing of a subset of animals studied in the research. Metabolic rates and resulting thermophysiological strategies are color coded, orange hues characterize high metabolic rates coinciding with warm blood, and blue hues characterize low metabolic rates coinciding with cold blood. From left to right: Plesiosaurus, Stegosaurus, Diplodocus, Allosaurus, Calypte (modern hummingbird). Credit: © J. …

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A whole new type of highly reactive chemical has been discovered in the atmosphere

Every puff of air we take in is mostly nitrogen, with a generous helping of oxygen and a pinch of carbon dioxide. But dusting this atmospheric soup is a whole encyclopedia of different compounds and elements, some of which we can only speculate on. However, one of these mysteries has just been unraveled. Chemists have …

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