Articles by Bob Yirka
Tech Xplore / Researchers create tiny nuclear-powered battery thousands of times more efficient than predecessors
A team of physicists and engineers affiliated with several institutions in China has developed an extremely small nuclear battery that they claim is up to 8,000 times more efficient than its predecessors. Their paper is published ...
Phys.org / Artemis I mission data show astronauts sent to the moon aboard Orion will be protected from radiation
According to a large team of technical and health specialists, astronauts aboard the Orion spacecraft will be well protected from radiation when the Artemis II mission travels to the moon and back next year.
Tech Xplore / Scientists mimic cat eyes to create artificial eye that sees better in the dark, detects camouflaged objects
A team of engineers from the Center for Nanoparticle Research, Seoul National University, the Gwangju Institute of Science and Technology and the Korea Institute of Science and Technology, all in Korea, has developed a new ...
Phys.org / Polar bears found to have diverged from brown bears just 70,000 years ago
A team of molecular ecologists at the University of Copenhagen, in Denmark, has found that polar bears developed unique features that allowed them to survive in a harsh, cold environment just 70,000 years ago.
Phys.org / Do cats know their own dimensions and use that knowledge to squeeze through tight openings?
An ethologist at Eötvös Loránd University has tested cats in their home environments to better understand their awareness of their own size and dimensions. In his study published in iScience, Péter Pongrácz conducted experiments ...
Phys.org / New evidence suggests allergies were partly to blame for demise of woolly mammoth
A team of chemists and zoologists from Israel, Italy and Russia, has found evidence suggesting that part of the reason woolly mammoths went extinct was the onset of allergies that made it difficult for them to find mates.
Medical Xpress / Evidence of inverse relationship between incidence of Alzheimer's disease and colorectal cancer
A team of epidemiologists at the First Hospital of Hebei Medical University, in China, has shown experimental evidence of an inverse relationship between incidences of Alzheimer's disease and colorectal cancer.
Medical Xpress / New study casts doubt on loneliness as a cause of many diseases
A team of medical researchers has found via analysis of patient data from multiple sources, that many diseases that have been thought attributable to loneliness are more likely due to other causes. The work is published in ...
Medical Xpress / High BMI during childhood linked to increased risk of schizophrenia in adulthood
A small team of medical researchers and disease management specialists in China has found a link between childhood obesity and adult schizophrenia. In their study published in the journal Science Advances, the group analyzed ...
Medical Xpress / Reprogramming cancer cells to attack themselves
A team of health and medical researchers affiliated with a host of institutions across Sweden has tested the possibility of reprogramming cancer cells into cDC1 cells as a means for destroying the protective shield around ...
Phys.org / New hypothesis suggests Mars's unique shape may be due to long lost moon
An astronomer at the U.S. Naval Observatory has developed a hypothesis to explain the unique shape and terrain of Mars. He suggests both are due to a long-lost moon. Michael Efroimsky has published a paper outlining the hypothesis ...
Science X / Best of Last Week—Earth gets temporary moon, Hyperloop tests vehicle, why some parents don't store guns well
It was a good week for space science as a pair of asteroid dynamics researchers from Universidad Complutense de Madrid Ciudad Universitaria found that a small asteroid will make one orbit around the Earth starting this month ...
Medical Xpress / Metformin found to reduce organ aging in male monkeys
A team of biologists affiliated with multiple institutions in China, working with a colleague in the U.S., has found that giving cynomolgus monkeys the diabetes drug metformin can reduce aging in multiple organs, including ...
Phys.org / Earth to have new mini-moon for two months
A pair of asteroid dynamics researchers from Universidad Complutense de Madrid Ciudad Universitaria have found that a small asteroid will make one orbit around the Earth starting this month before departing back into other ...
Phys.org / Generating spin currents directly using ultrashort laser pulses
An international team of physicists has found that it is possible to generate spin currents directly using certain kinds of ultrashort laser pulses. In their study, published in the journal Physical Review Letters, the group ...
