Science

New dinosaur: Species had teeth that were constantly replaced

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Iberospinus natarioi, a new species of spinosaur dinosaur found in Portugal, constantly grew new teeth to replace those it broke while hunting fish and other aquatic animals Life 16 February 2022 By Christa Lesté-Lasserre Life reconstruction of Iberospinus natarioi, showing detail of muscles, and a fossil of part of the lower jaw Mateus, Estraviz-Lopez et … Read more

Chronic pain: Map of pain neurons may lead to more effective treatments

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An analysis of gene activity in pain neurons could help identify the most promising drug targets and reveal how pain pathways differ between men and women Health 16 February 2022 By Jason Arunn Murugesu A dorsal root ganglion, a cluster of nerve cell bodies, seen under a microscope JOSE CALVO/SCIENCE PHOTO LIBRARY A map of … Read more

Organ transplants: Lung has blood type changed in step towards universal donors

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Using two enzymes, researchers changed a donated lung from type A to type O, which can be accepted by any recipient Health 16 February 2022 By Alex Wilkins Researcher Aizhou Wang with a system that delivers fluid to a donated lung University Health Network Researchers have successfully changed the blood type of a donated human … Read more

Mysterious ‘Russian Flu’ 130 Years Ago May Have Been a Coronavirus, Scientists Say

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In 1889, a mysterious respiratory illness emerged in Russia and then spread across the globe, triggering at least three waves of infection over the course of several years. Now, some scientists suspect that this illness, dubbed the “Russian flu,” actually may have been caused by a pandemic coronavirus similar to SARS-CoV-2, the virus that causes COVID-19, The New … Read more

NASA’s Chandra X-ray Observatory suffers camera glitch, stalling science

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A prolific NASA space telescope has closed its camera eye for now due to a power issue that has stalled the observatory’s science work. The Chandra X-ray Observatory, which has studied the X-ray universe since 1999, suffered a power supply problem with its High Resolution Camera instrument on Feb. 9, leading the mission team to … Read more

Professional Sports Leagues Need to Reduce Their Carbon Footprint

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North American sports leagues have at best an inconsistent track record on sustainability; while they all offer some mix of elementary school environmentalism (tree planting, recycling, and preventing food waste), most bask in luxury on board hyperpolluting private planes traveling across the world. This behavior sends a mixed message. Emissions from air travel are the … Read more

EPA Is Preparing to Reinstate California’s Authority to Set More Stringent Car Emissions Rules

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The Biden administration is preparing to reinstate California’s authority to set auto emissions rules that are more stringent than federal standards, taking a major step toward cutting transportation-related climate pollution and continuing to chip away at former President Trump’s environmental rollbacks. The waiver, granted decades ago because of California’s severe pollution problems, gave the Golden … Read more

China aims to complete space station, break launch record in 2022

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China is aiming to eclipse a new national launch record set last year while also completing its three-module space station with six related missions in 2022. The China National Space Administration is preparing to launch two new space station modules, named Wentian and Mengtian, on separate Long March 5B rockets in the coming months.  The … Read more

New atomic clock loses only one second every 300 billion years

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A group of physicists has announced one of the highest performance atomic clocks ever made. The instrument is said to measure time so precisely that it will only lose one second every 300 billion years, allowing for more exact measurements of gravitational waves, dark matter and other physics phenomena. A study based on the UW-Madison-led … Read more