[ad_1] Stress-linked changes in the activity of genes may be why Black people in the US often have worse chronic pain than white people Humans 28 March 2022 By Jason Arunn Murugesu An enzyme adding methyl groups to DNA in a process called methylation LAGUNA DESIGN/SCIENCE PHOTO LIBRARY Black people in the US have worse…
[ad_1] This illustration shows what a debris cloud around the young star called HD 166191 might look like up close.NASA / JPL-Caltech Even though planetary evolution happened in our solar system’s distant past, we can still see protoplanets forming around young stars today. But understanding what’s happening is difficult because the action happens too far…
[ad_1] As the Sun heads south for winter in the Northern Hemisphere, the nights grow longer and the opportunities to catch the northern lights, or aurora borealis, increase the further north you live or travel. Aurorae occur when charged particles (mostly electrons and protons) in the solar wind sneak past Earth’s magnetic shield and collide…
[ad_1] The first all-private crewed mission to the International Space Station won’t launch this weekend after all. Axiom Space’s Ax-1 mission had been targeting a Sunday (April 3) liftoff from NASA’s Kennedy Space Center (KSC) in Florida. But on Monday (March 28), NASA officially approved Friday (April 1) through Sunday for the crucial “wet dress…
[ad_1] In 2019, astronomers mapping the radio signals from the universe’s oldest galaxies saw something strange—a giant, faint circular disc with a bright edge about one arcminute in diameter. An arcminute is the width of a soccer ball seen from almost a kilometer away. Circles are relatively common in astronomy. They are usually produced by…
[ad_1] Robbie Goodall/Getty Images “We learn geology the morning after the earthquake,” the 19th-century essayist Ralph Waldo Emerson once wrote. The quote has a pithy resonance as we grapple with the fallout of our inaction on so many fronts, from pandemic prevention to climate change, pollution and biodiversity loss. Applied to geology itself, it is…
[ad_1] A tiny snake-like animal that lived about 308 million years ago had evolved to lose its forelimbs Life 28 March 2022 By Christa Lesté-Lasserre A reconstruction of Nagini mazonense, an early armless animal Henry Sutherland Sharpe Less than 100 million years after vertebrates first grew legs, some of their descendants had evolved to lose…
[ad_1] Astronomer Royal Martin Rees discusses the most extraordinary aspects of his distinguished career, from black holes to billionaires in space and the prospects of life beyond Earth Physics 9 March 2022 By Richard Webb David Stock AS ASTRONOMER Royal, you have to assume Martin Rees isn’t in it for the money: £100 a year…
[ad_1] By Jorge Casesmeiro RogerMolecular biologist Dr. Richard H. Ebright, PhD is one of the twenty six world scientists who signed the Open Letter: “Call for a Full and Unrestricted International Forensic Investigation into the Origins of COVID-19”. A document released last March 4 by the Wall Street Journal and Le Monde that reignited the…
[ad_1] Since the start of the coronavirus pandemic, most people have let themselves believe that working from home automatically lessens their environmental impact – there’s no fumes pumping out from your commute, no large-scale office heaters, or any powerful air-conditioning. This isn’t necessarily the case, though. There are some good arguments as to why working…