Articles by Bob Yirka
Phys.org / Archaeologists uncover Iron Age hub for prized purple dye in Israel
A team of anthropologists, archaeologists and historical specialists affiliated with several institutions in the U.S. and Israel has found that there once existed a coastal settlement in what is now modern-day Israel that ...
Phys.org / Antikythera Mechanism's intricate gears: Simulations of ancient astronomical device reveal potential jamming issues
A pair of physicists at Universidad Nacional de Mar del Plata, in Argentina, have created a computer simulation of the famed Antikythera Mechanism and in so doing have found that manufacturing inaccuracies may have caused ...
Phys.org / Astronomers discover two more double-faced white dwarfs
For many years it was believed that the surface of most, if not all, white dwarfs was made up primarily of hydrogen. But then, two years ago, a white dwarf was spotted by a team of researchers that had a hydrogen surface ...
Phys.org / Earth's ionospheric turbulence may be linked to magnetospheric activity
An international team of astrophysicists and planetary scientists has discovered a possible link between magnetospheric activity and ionospheric turbulence. In their study published in the journal Physical Review Letters, ...
Phys.org / Global warming has tripled the length of marine heat waves since 1940, modeling study finds
A trio of environmental scientists at the Mediterranean Institute for Advanced Studies Consejo Superior de Investigaciones Científicas—Universidad de las Islas Baleares, working with a pair of meteorologists from the National ...
Tech Xplore / Self-healing lithium battery stretches, survives punctures and cuts
A multidisciplinary team at the University of California, Berkeley, the Georgia Institute of Technology and the Hong Kong University of Science and Technology has developed a stretchable, self-healing lithium battery that ...
Tech Xplore / Over-training large language models may make them harder to fine-tune
A small team of AI researchers from Carnegie Mellon University, Stanford University, Harvard University and Princeton University, all in the U.S., has found that if large language models are over-trained, it might make them ...
Phys.org / Crows can recognize geometric regularity
A trio of animal physiologists at the University of Tübingen, in Germany, has found that at least one species of crow has the ability to recognize geometric regularity. In their study published in the journal Science Advances, ...
Tech Xplore / Water-based battery offers 2,000-cycle stability
A team of chemical and biomolecular engineers, physicists and battery specialists affiliated with several institutions in the U.S. has developed a water-based battery that offers 2,000-cycle stability. In their paper published ...
Tech Xplore / Stainless steel strengthened: Twisting technique creates submicron 'anti-crash wall'
A combined team of metallurgists, materials scientists and engineers from the Chinese Academy of Sciences, Shandong University and the Georgia Institute of Technology has developed a way to make stainless steel more resistant ...
Phys.org / The obstetrical dilemma: Large-scale study explores evolutionary trade-offs of wide vs. narrow hips
A team of integrative biologists at the University of Texas, Western Washington University and Columbia University Irving Medical Center has found that both wide and narrow hips provide women with certain physical benefits, ...
Phys.org / Transparent paper-based material can hold boiling water and degrade in deep ocean in under a year
A team of biomaterial engineers, environmental resource specialists and industrial design researchers affiliated with a host of institutions across Japan has developed a biodegradable material that is clear and can hold boiling ...
Phys.org / Guiding fruit flies like micro-robots using pinwheels and light
A team of bioengineers at Harvard University's Rowland Institute has found two new ways to control a tiny creature, essentially turning it into a micro-robot. In their study published in the Proceedings of the National Academy ...
Phys.org / Highly endangered sunflower star finds refuge in Canadian fjords
A team of oceanographers and marine biologists at the Hakai Institute, working with a colleague from the Central Coast Indigenous Resource Alliance, and another from the Institute of Ocean Sciences, all in Canada, has found ...
Phys.org / Analysis of medieval books reveals many were bound with sealskin
An international team of archaeologists, bioinformatic specialists, and historians has discovered that many medieval books were bound using seal skin. In their paper published in the journal Royal Society Open Science, the ...