169 articles from FRIDAY 23.2.2024

Power-up

Chris Schur, taken from Payson, Arizona NGC 281 is best known for its resemblance to Pac-Man, but beyond its bright circular region, diffuse waves of nebulosity ripple outward. This RGB image was taken over 10.25 hours with a 10-inch f/2.8 scope. The post Power-up appeared first on Astronomy...

Alabama IVF ruling may halt uterine transplant program

The Supreme Court of Alabama’s ruling last week declaring frozen embryos at fertility clinics to be people has upended patient care there. The state’s two leading private in vitro fertilization providers as well as the University of Alabama at Birmingham (UAB) paused all IVF procedures earlier this week while officials sort through the legal risks of continuing to create and store...

On war’s second anniversary, Ukraine’s scientific community mourns lost colleagues

Just before daybreak on 2 January, air raid sirens blared in Kyiv—a near-daily occurrence that often passes without incident. Not that day. Explosions resounded across the Ukrainian capital as air defenses attempted to shoot down a rain of incoming missiles, including 10 hypersonic Kinzhals. The detonations woke Natalia Shevtsova, a radioecologist at the National Academy of Sciences of...

Poised to be first widely consumed gene-edited animals, virus-resistant pigs trot toward market

Pigs, cattle, and other livestock with edited genes are still far from most dinner plates, but a U.K. company has taken a big step toward the supermarket by engineering several commercial breeds of pigs to be resistant to a virus that devastates the swine industry. The firm, Genus plc, hopes that by year’s end the U.S. Food and Drug Administration (FDA) will formally approve the pigs...

The Odysseus Lunar Landing Brings NASA One Step Closer to Putting Boots on the Moon

Early this week, Facebook provided me with a sweet piece of serendipity when it served up a picture of the late Gene Cernan. I had taken and posted the picture in 2014, when Cernan, the last man on the moon, was being feted at the premiere of the documentary about his life, titled, straightforwardly, The Last Man On the Moon. I had gotten to know Gene well over the course of many years of...

Quantum physics makes small leap with microscopic gravity measurement

Experiment records minuscule gravitational pull as a step to understanding how force operates at subatomic levelScientists have detected the pull of gravity on the microscopic scale in a feat that lays the groundwork for probing its nature in the mysterious quantum realm.In an experiment involving sophisticated superconducting apparatus cooled to within a whisker of absolute zero, and brass...

New technique for sorting micro-particles uses sound waves

Thanks to the rapid progress in tiny tech, we've been mainly using microfluidics to sort tiny particles by size. But now, there's a new way to sort them by shape, which could be a big deal for medical tests and chemistry. A recent study introduces a new method using sound waves to separate oddly shaped particles from round ones without needing any labels. This breakthrough could lead to better...