A single asteroid impact may explain two of Deimos’s most puzzling features: its huge southern depression and unusually smooth, dusty surface. Simulations suggest a roughly 320-meter asteroid struck the Martian moon at an angle, throwing debris around the entire world without breaking it apart. New observations from ESA’s Hera spacecraft support the scenario and indicate that Deimos is surprisingly porous and fragile.
via All Top News -- ScienceDaily https://ift.tt/ZPgJYaD
via All Top News -- ScienceDaily https://ift.tt/ZPgJYaD
NASA’s Roman Space Telescope is now enclosed inside its Falcon Heavy fairing and nearly ready for launch. Its mission could uncover thousands of exoplanets while helping scientists investigate dark matter, dark energy, and the accelerating expansion of the universe.
via All Top News -- ScienceDaily https://ift.tt/lKgho7x
via All Top News -- ScienceDaily https://ift.tt/lKgho7x
DNA from a nearly 190-year-old museum specimen has helped scientists confirm a distinct Himalayan pangolin species hiding in plain sight in Nepal and northern India. The discovery could give conservationists a powerful new way to trace illegally traded pangolin scales back to the species and regions being targeted by poachers.
via All Top News -- ScienceDaily https://ift.tt/fvsLgZT
via All Top News -- ScienceDaily https://ift.tt/fvsLgZT
A Manhattan-sized ice island has broken away from Greenland’s Petermann Glacier after years of growing fractures weakened its floating ice tongue. Scientists expect two more huge sections could soon detach, potentially removing about 22 percent of the remaining ice tongue.
via All Top News -- ScienceDaily https://ift.tt/QmCfh3B
via All Top News -- ScienceDaily https://ift.tt/QmCfh3B
Moderate calorie restriction lowered an immune protein called C3 that appears to help drive chronic inflammation as the body ages. Blocking the same protein reduced age related inflammation in mice, raising the possibility that future treatments could mimic some benefits of calorie restriction without severe dieting.
via All Top News -- ScienceDaily https://ift.tt/XomIFbc
via All Top News -- ScienceDaily https://ift.tt/XomIFbc
Learn more about some of ancient Egypt's most sought-after mysteries and what we have discovered so far.
via All Articles | Discover Magazine https://ift.tt/ay6TpOf
via All Articles | Discover Magazine https://ift.tt/ay6TpOf
Learn how August’s Sturgeon Moon got its fish-inspired name and when to see it turn coppery during a partial lunar eclipse.
via All Articles | Discover Magazine https://ift.tt/MiJnZr9
via All Articles | Discover Magazine https://ift.tt/MiJnZr9
Learn how capuchin monkeys hunt when fruit runs low, which parts of their prey they eat first, and what this may reveal about human evolution.
via All Articles | Discover Magazine https://ift.tt/MQf2abz
via All Articles | Discover Magazine https://ift.tt/MQf2abz
Learn about the shark graveyard found at an ancient rock formation in Egypt, where fossil teeth have revealed a diverse assemblage of sharks.
via All Articles | Discover Magazine https://ift.tt/JI9Erqb
via All Articles | Discover Magazine https://ift.tt/JI9Erqb
Learn how satellite radar captured the moment a Manhattan-sized ice island broke away from Greenland’s Petermann Glacier and why scientists are keeping a close watch.
via All Articles | Discover Magazine https://ift.tt/RAdrp08
via All Articles | Discover Magazine https://ift.tt/RAdrp08
Researchers discovered a brain-based “brake” that can shut down chronic nerve pain in mice by calming an overactive pain circuit. Targeting this system more precisely could one day lead to powerful pain relief without affecting opioid receptors throughout the entire body.
via All Top News -- ScienceDaily https://ift.tt/0TaI7uA
via All Top News -- ScienceDaily https://ift.tt/0TaI7uA
A magnetar with an astonishingly powerful magnetic field may have revealed a quantum effect predicted by Werner Heisenberg nearly 90 years ago. Its light shows signs that supposedly empty space is altering how the light travels, potentially providing the first evidence of vacuum birefringence.
via All Top News -- ScienceDaily https://ift.tt/h7YSsev
via All Top News -- ScienceDaily https://ift.tt/h7YSsev
NASA has successfully tested a system that allows satellites to navigate without GPS by using other spacecraft and debris as landmarks in orbit. In just three days, FALCON also improved the known orbits of more than 200 space objects completely autonomously.
via All Top News -- ScienceDaily https://ift.tt/bzKlenV
via All Top News -- ScienceDaily https://ift.tt/bzKlenV
Scientists have found a surprising way to potentially switch on an unusual form of magnetism in ruthenium dioxide, a material that normally appears nonmagnetic. When the material was made into an ultrathin film only a few atomic layers thick and placed under strain, its electrons developed patterns consistent with altermagnetism, a recently proposed magnetic state with promising uses in advanced electronics.
via All Top News -- ScienceDaily https://ift.tt/VHby3MY
via All Top News -- ScienceDaily https://ift.tt/VHby3MY
Scientists created smart nanoparticles that can both illuminate hidden glioblastoma cells during surgery and destroy microscopic cancer left behind afterward. In mice, the treatment prevented recurrence and led to 100% survival at 60 days, though it has not yet been tested in humans.
via All Top News -- ScienceDaily https://ift.tt/Asd3FSG
via All Top News -- ScienceDaily https://ift.tt/Asd3FSG
Ancient fossils suggest insects conquered land through a long amphibious phase rather than making an abrupt jump from water to dry ground. A newly identified 324-million-year-old species still carried paddle-like abdominal limbs, revealing an evolutionary bridge between aquatic ancestors and modern six-legged insects.
via All Top News -- ScienceDaily https://ift.tt/wgrpW8c
via All Top News -- ScienceDaily https://ift.tt/wgrpW8c
Today’s mysterious gravitational-wave background may preserve clues about how the Universe’s first supermassive black holes formed. Descendants of hypothetical Dark Stars could be responsible for a major portion of the signal, offering a surprising new way to investigate cosmic dawn and dark matter.
via All Top News -- ScienceDaily https://ift.tt/sF9wACp
via All Top News -- ScienceDaily https://ift.tt/sF9wACp
Astronomers have captured their clearest image yet of Betelgeuse’s long-suspected companion, potentially ending a search that lasted about 100 years. The surprisingly massive hidden star could help explain Betelgeuse’s changing brightness and may influence its future supernova.
via All Top News -- ScienceDaily https://ift.tt/FJ9ck6r
via All Top News -- ScienceDaily https://ift.tt/FJ9ck6r
Ancient teeth and human DNA are revealing a surprising history of insect eating. Modern humans in northern Eurasia appear to have eaten insects only occasionally, while Neanderthals may have consumed them much more regularly. Populations near the tropics also retained genes that make insect exoskeletons easier to digest.
via All Top News -- ScienceDaily https://ift.tt/zhFs7dk
via All Top News -- ScienceDaily https://ift.tt/zhFs7dk
Researchers used AI to search through more than 100 million possible settings for 3D-printing a high-performance NASA alloy. After only 40 experiments, the system identified six successful configurations, including one that worked at a record-low 500 watts. That could allow GRCop-42, currently difficult and expensive to print, to be made with much more widely available equipment.
via All Top News -- ScienceDaily https://ift.tt/1bVFNuO
via All Top News -- ScienceDaily https://ift.tt/1bVFNuO