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Phys.org / Archaic humans were strategic and picky hunters, new study suggests
Extinct relatives of modern humans, like Neanderthals and Homo erectus, that lived in the Levant around 120,000 years ago, did not engage in mass hunting but preferred selective and strategic hunting of wild cattle. Scientists ...
Medical Xpress / Structure of protein reveals how breast cancer cells survive in hostile conditions
UCLA scientists have characterized the structure and function of a key survival protein in breast cancer cells that helps explain how these tumors resist environmental stress and thrive in acidic, low-oxygen environments ...
Phys.org / Free radicals caught in the act with slow spectroscopy
Why does plastic turn brittle and paint fade when exposed to the sun for long periods? Scientists have long known that such organic photodegradation occurs due to the sun's energy generating free radicals: molecules that ...
Phys.org / Astronomers find vast spinning filament of galaxies 140 million light-years away
An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a "razor-thin" string of galaxies embedded in a giant spinning cosmic filament, 140 million light-years ...
Phys.org / The hexatic phase: Ultra-thin 2D materials in a state between solid and liquid observed for the first time
When ice melts into water, it happens quickly, with the transition from solid to liquid being immediate. However, very thin materials do not adhere to these rules. Instead, an unusual state between solid and liquid arises: ...
Phys.org / Chameleon-like nanomaterial can adapt its color to mechanical strain
Inspired by the Japanese art of kirigami, a team of scientists from the University of Amsterdam have developed a material that can reflect different colors of light, depending on how it is stretched. The results were recently ...
Phys.org / 10-thousand-year-old genomes from southern Africa change picture of human evolution
In southern Africa, a group of people lived in partial isolation for hundreds of thousands of years. This is shown in a new study based on analyses of the genomes of 28 people who lived between 10,200 and 150 years ago in ...
Phys.org / Extreme engineering: Unlocking design secrets of deep-sea microbes
The microbe Pyrodictium abyssi is an archaeon—a member of what's known as the third domain of life—and an extremophile. It lives in deep-sea thermal vents, at temperatures above the boiling point of water, without light ...
Phys.org / Free climbers discover remnants of ancient sea turtle stampede in Italy
Rocks have been found to hold many traces of Earth's ancient history, but usually geologists have to seek them out. Every once in a while, however, these imprints of times past are found by unsuspecting visitors. This occurred ...
Phys.org / Copper-64 isotope made easier: Recoil chemistry could lower medical imaging costs
The copper isotope Cu-64 plays an important role in medicine: It is used in imaging processes and also shows potential for cancer therapy. However, it does not occur naturally and must be produced artificially—a complex ...
Tech Xplore / Aerial microrobot can fly as fast as a bumblebee
In the future, tiny flying robots could be deployed to aid in the search for survivors trapped beneath the rubble after a devastating earthquake. Like real insects, these robots could flit through tight spaces larger robots ...
Phys.org / Microplastics in oceans may distort carbon cycle understanding
The carbon cycle in our oceans is critical to the balance of life in ocean waters and for reducing carbon in the atmosphere, a significant process to curbing climate change or global warming.
