During the formation of a black hole a bright burst of very energetic light in the form of gamma-rays is produced, these events are called gamma-ray bursts. Researchers have built the POLAR instrument to analyze gamma-ray bursts. The first results of POLAR reveal that the high energy photons coming from gamma-ray bursts are neither completely chaotic, nor completely organized, but a mixture of the two.
A new theoretical framework predicts the kinds of holes that can form in two-dimensional materials like graphene. The work could help in the design of new filtration and desalination devices or new quantum computing and communications systems.
Every year, thousands of Magellanic penguins are stranded along the South American coast -- from northern Argentina to southern Brazil -- 1,000 kilometers away from their breeding ground in northern Patagonia. Now researchers have new evidence to explain the observation that the stranded birds are most often female: female penguins venture farther north than males do, where they are apparently more likely to run into trouble.
NASA's Cold Atom Laboratory on the International Space Station is the first facility in orbit to produce clouds of "ultracold" atoms, which can reach a fraction of a degree above absolute zero. Nothing in nature is known to hit the temperatures achieved in laboratories like CAL, which means the orbiting facility is regularly the coldest known spot in the universe.
Surfer's ear, associated with cold weather and water sports, led a bioarchaeologist at the Smithsonian in Panama to suspect that ancient shoreline residents were diving for pearls in an area of cold-water upwelling.
In a group of bark lice, a penis has evolved twice -- in the females. In their nutrient-scarce environment, 'seminal gifts' are an incentive for females to force mating, leading to the co-evolution of female penises and male vaginas.
Having ancestors who were frequently exposed to stressors can improve one's own immune response to stressors, according to researchers. The results suggest that family history should be considered to predict or understand the health implications of stress.
Around 30 percent of the world's biosolids are stockpiled or sent to landfill each year, while over 3 billion cubic meters of clay soil is dug up for the global brickmaking industry. Using biosolids in bricks offers an innovative solution to these environmental challenges.
Researchers have devised a new model for the universe -- one that may solve the enigma of dark energy. Their new article proposes a new structural concept, including dark energy, for a universe that rides on an expanding bubble in an additional dimension.
Fecal transplants could be used to treat intestinal disorders like inflammatory bowel disease -- and perhaps even help prevent Alzheimer's and cancer -- if we can unlock the secrets of the gut-rejuvenating 'super donor,' say researchers.
The strange orbits of some objects in the farthest reaches of our solar system, hypothesized by some astronomers to be shaped by an unknown ninth planet, can instead be explained by the combined gravitational force of small objects orbiting the sun beyond Neptune, say researchers.
To study gut bacteria, scientists focus much of their attention on excrement, which is teeming with bacteria that used to live in the gastrointestinal tract; for the sake of scientific accuracy, this experimental poop has needed a name, and now it has one.
Our first glimpses into the physics that exist near the center of a black hole are being made possible using 'loop quantum gravity'-- a theory that uses quantum mechanics to extend gravitational physics beyond Einstein's theory of general relativity.
Researchers created LEAP, a flexible motion-capture tool that can be trained in a matter of minutes to track body parts over millions of frames of existing video with high accuracy, without any physical markers or labels.