First Martian regolith samples: NASA's Perseverance rover lands on Mars

First Martian regolith samples: NASA’s Perseverance rover lands on Mars

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Two holes are left in the Martian surface after NASA’s Perseverance rover used a specialized drill to collect the mission’s first regolith samples on December 2-6, 2022. Credit: NASA/JPL-Caltech NASA’s Perseverance rover snagged two new samples from the Martian surface. Unlike the 15 rock cores collected to date, these newest samples came from a pile …

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This alloy is the toughest known material on Earth, and it gets tougher in the cold

This alloy is the toughest known material on Earth, and it gets tougher in the cold

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An alloy of chromium, cobalt and nickel has just given us the highest fracture toughness ever measured in a material on Earth. It has exceptionally high strength and ductility, leading to what a team of scientists called “exceptional damage tolerance”. Additionally – and counterintuitively – these properties increase as the material cools, suggesting exciting potential …

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By Sharing Their Genetic Risks, Hemsworth and Jolie Raise Awareness About Testing, by Robert C. Green

By Sharing Their Genetic Risks, Hemsworth and Jolie Raise Awareness About Testing, by Robert C. Green

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Robert C. Green Chicago Tribune When actor Chris Hemsworth, aka Thor, God of Thunder, agreed to host a National Geographic series about extending human lifespans, he didn’t expect to discover his own genetic risk. But that’s what happened when Hemsworth revealed on an episode of “Limitless” that he carries a common change in the APOE …

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Artemis 1 spacecraft heads into Sunday's splashdown to wrap up historic mission

Artemis 1 spacecraft heads into Sunday’s splashdown to wrap up historic mission

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Capping off a 25-day trip around the moon, NASA’s Artemis 1 spacecraft edged closer to Earth on Saturday, on track for a 25,000mph re-entry on Sunday that will subject the unmanned capsule to hellish hell of 5,000 degrees before splashing off Baja California. In an unexpected but symbolic coincidence, the end of the Artemis 1 …

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Could growing coral in "nurseries" help save the Great Barrier Reef?

Could growing coral in “nurseries” help save the Great Barrier Reef?

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Pieces of broken coral are being salvaged and rehabilitated in “nurseries” so they can be transplanted to the Great Barrier Reef, but marine scientists say this is no substitute for action on climate change. Key points: Coral nurseries see early success as scientists use broken pieces to grow healthy coral which is then transplanted to …

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Get Ready to Compost: San Diego's New Green Recycling Kicks into High Gear with Trash Deliveries and Awareness Activities

Get Ready to Compost: San Diego’s New Green Recycling Kicks into High Gear with Trash Deliveries and Awareness Activities

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SAN DIEGO- San Diego’s efforts to comply with a new state law requiring the recycling of yard waste and food scraps will kick into high gear next month when delivery of 267,000 new green recycling bins begins in the city ​​homes. The first wave of bins will be delivered in January and February to homes …

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China's space ambition means a new Cold War won't just be fought on land

China’s space ambition means a new Cold War won’t just be fought on land

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The opening line of Star Trek, the classic 1960s American sci-fi drama, was absolutely right. But there was a twist. Readers may recall that Captain James T. Kirk (William Shatner) of the Starship Enterprise solemnly intoned at the start of each episode: “Space – the final frontier.” But the “final frontier” is now contested from …

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GOLDSTEIN: The straw that broke the camel’s back – Banning single-use plastics in Canada means more waste

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Breadcrumb Links Columnists Canada Publication date : December 10, 2022 • 4 hours ago • 4 minute read 12 comments The federal government plans to ban some commonly used plastic items, including straws. Photo by fullempty /iStock/Getty Images Content of the article The Trudeau government’s plan to eliminate plastic waste in Canada by 2030 is …

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Annette has purchased a slice of coastal paradise. Now she fears she's the last person to live there

Annette has purchased a slice of coastal paradise. Now she fears she’s the last person to live there

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Annette Painter has always dreamed of retiring by the sea with her husband Luke, so when they found a waterfront home overlooking the idyllic Queensland coastline, they were thrilled. Key points: According to projections adopted by the state government, the sea level is expected to rise by 0.8 meters by 2100 More than 500 properties …

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