Humans may have been altering Arctic sea ice longer than previously thought, according to researchers studying the effects of air pollution on sea ice growth in the mid-20th Century. The new results challenge the perception ...
Earth Sciences
Feb 23, 2017
1
35
Astronomers have found an enormous, glowing blob of gas in the distant universe, with no obvious source of power for the light it is emitting. Called an "enormous Lyman-alpha nebula" (ELAN), it is the brightest and among ...
Astronomy
Feb 23, 2017
175
736
NASA's Jupiter-circling spacecraft is stuck making long laps around the gas giant because of sticky valves.
Space Exploration
Feb 23, 2017
0
37
PERK is known to detect protein folding errors in the cell. Researchers at the Laboratory of Cell Death Research & Therapy at KU Leuven (University of Leuven, Belgium) have now revealed a hidden perk: the protein also coordinates ...
Cell & Microbiology
Feb 23, 2017
0
8
Proteins do most of the work inside the human body, supporting the structure, function, regulation, and repair of organs, tissues and cells. Proteins are synthesized as extended chains of amino acids that must fold into intricate ...
Cell & Microbiology
Feb 23, 2017
1
10
In the middle of Alberta's boreal forest, a bird eats a wild chokecherry. During his scavenging, the bird is caught and eaten by a fox. The cherry seed, now inside the belly of the bird within the belly of fox, is transported ...
Ecology
Feb 23, 2017
0
224
Sexual reproduction and viral infections actually have a lot in common. According to new research, both processes rely on a single protein that enables the seamless fusion of two cells, such as a sperm cell and egg cell, ...
Cell & Microbiology
Feb 23, 2017
0
597
The last Neanderthal died 40,000 years ago, but much of their genome lives on, in bits and pieces, through modern humans. The impact of Neanderthals' genetic contribution has been uncertain: Do these snippets affect our genome's ...
Biotechnology
Feb 23, 2017
8
919
In just two years' time, a team of NASA engineers accomplished what some thought impossible: the group created a smaller, more capable "brain" for smaller spacecraft.
Space Exploration
Feb 23, 2017
0
9
Nearly 10 years after a "doomsday" seed vault opened on an Arctic island, some 50,000 new samples from seed collections around the world have been deposited in the world's largest repository built to safeguard against wars ...
Ecology
Feb 23, 2017
3
2024
