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Science
“#Rare-metal abundance points to a missing companion star for the supernova Cassiopeia A” Figure 1: The Cassiopeia A supernova remnant as observed by NASA’s Chandra X-ray Observatory. Calculations by RIKEN based on Chandra data indicate that the progenitor star had a companion, which has yet to be observed. Credit: NASA/ CXC/ SAO The massive star…
“#Sports are coming back–but there’s more at stake than who wins or loses” Credit: CC0 Public Domain When major sports leagues and events shut down or were postponed earlier this year, the move was a powerful message for many that the COVID-19 pandemic needed to be taken seriously—even these bastions of social life around the…
“#Giant sea scorpions were the underwater titans of prehistoric Australia” Let’s turn back time. Before extinction knocked dinosaurs off their pillar, before the “Great Dying” extinction wiped out 95% of all organisms—we had the Paleozoic Era. During this age in Earth’s history, between 541 million and 252 million years ago, arthropods (animals with exoskeletons such…
“#Industrial ‘borrow pits’ benefit beavers and wolverines, study shows” Beavers in northern Alberta are making their homes in industrial pits dug to supply materials for road construction, according to new research. Credit: A. Colton Beavers and wolverines in northern Alberta are using industry-created borrow pits as homes and feeding grounds, according to a new study…
“#New species of Ichthyosaur discovered in museum collection” Credit: McGill University Hauffiopteryx altera (Latin for different from) has been identified as a new species of Ichthyosaurs by researchers from McGill University and the State Museum of Natural History Stuttgart in Germany. Ichthyosaurs (‘fish lizards’), a group of tuna-shaped reptiles that inhabited Earth’s seas during the…
“#Can Asia end its uncontrolled consumption of wildlife? Here’s how North America did it a century ago” ‘The Christmas Season,’ 1878, an engraving by Arthur Burdett Frost of a wild game stand at New York City’s Fulton Market showing a bear, deer and many types of birds. Credit: NYPL It was a dark time for…
“#Comment: COVID-19 compounded the English pub industry’s problems” Credit: Bikeworldtravel/Shutterstock Coronavirus has had an unprecedented impact on pubs in Britain. The British Beer and Pub Association estimates that the industry lost over £100m each month of lockdown. Hundreds of thousands of staff were placed on the government’s job retention scheme, and 70 million pints of…
“#New breakthrough in ‘spintronics’ could boost high speed data technology” In spin pumping experiments, there are four possible mechanisms for transporting a spin current through an antiferromagnet layer (blue) that is sandwiched between two ferromagnets (purple and orange). (Top to bottom) The spin current could be transported by coherent THz spin waves, by evanescent GHz…
“#Heatwave trends accelerate worldwide” Credit: Jason Blackeye (Unsplash) The first comprehensive worldwide assessment of heatwaves down to regional levels has revealed that in nearly every part of the world heatwaves have been increasing in frequency and duration since the 1950s. The research published in Nature Communications has also produced a new metric, cumulative heat, which…
“#Making food beautiful—and toxic” At the market, you can come across fish preserved with formalin. Credit: SDN/J. Chongwang Toxic chemicals are being used by food sellers across sub-Saharan Africa to improve the look of meat and fish, scientists and food inspectors say, putting the health of millions at risk. Weak government testing capacities and informal…