A Sherpa guide scaled Mount Everest for the 25th time on Friday, breaking his own record for the most ascents of the world's highest peak.
Environment
May 7, 2021
0
20
Cells talk to each other to coordinate nutrition, waste removal, energy use, and, in some cases, disease progression. The cells that line the surfaces of organs or specific tissues, called epithelial cells, appear to speak ...
Cell & Microbiology
May 7, 2021
0
9
As decarbonization progresses rapidly in the world, fuel cells offer potentially higher electrical efficiency than conventional power-generating systems. Anion exchange membrane fuel cells offer advantages of using non-precious ...
Polymers
May 7, 2021
0
17
Clocks are essential building blocks of modern technology, from computers to GPS receivers. They are also essentially engines, irreversibly consuming resources in order to generate accurate ticks. But what resources have ...
General Physics
May 7, 2021
1
149
A team of researchers from the Institute for Stem Cell Science and Regenerative Medicine, the Technology & Research Academy University and the University of Hyderabad, all in India, has found that flatworms are able to sense ...
To observe the swift neuronal signals in a fish brain, scientists have started to use a technique called light-field microscopy, which makes it possible to image such fast biological processes in 3D. But the images are often ...
Molecular & Computational biology
May 7, 2021
0
2370
A former colleague who was a researcher and promoter of local food systems once argued that local meat markets connect children with reality. "If young people do not have a direct experience with food," he told me, "they ...
Environment
May 7, 2021
5
111
People spend about 80-90% of their time indoors. Compared to outdoor air quality, the indoor air quality is more relevant to people's health. Therefore, understanding the levels, sources and evolution of particulate matter ...
Environment
May 7, 2021
0
8
Large amounts of gas are sometimes funneled to a galaxy's nuclear regions, with profound consequences. The gas triggers starburst activity and can also feed the supermassive black hole, converting it into an active galactic ...
Astronomy
May 7, 2021
20
2605
Australia, the driest inhabited continent, is prone to natural disasters and wild swings in weather conditions—from floods to droughts, heatwaves and bushfires.
Earth Sciences
May 7, 2021
0
25
