Organic solar cells are steadily improving as new materials are developed for the active layer, particularly when materials are stacked in a bulk heterojunction design that takes advantage of multiple combined absorption ...
Condensed Matter
Nov 26, 2019
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27
Hibernation is one of nature's strangest quirks, inducing bears and other mammals to pack on massive weight—amounts that would be unhealthy for humans—so they can survive months of slumber. Yet when these animals reemerge, ...
Biotechnology
Nov 26, 2019
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37
Bakers have been crafting bread for more than 6,000 years with four simple ingredients: flour, salt, water and yeast. Apart from using high-quality ingredients, the kneading process and amount of time the dough is given to ...
General Physics
Nov 26, 2019
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37
Mathematicians have successfully applied a new, pictorial approach to answer complex questions that puzzle analysts, such as, do media stories on firearm legislation influence gun sales? Cause-and-effect queries like this ...
General Physics
Nov 26, 2019
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84
A new modeling approach can help researchers, policymakers and the public better understand how policy decisions will influence human migration as sea levels rise around the globe, a paper published today in Nature Climate ...
Environment
Nov 26, 2019
4
58
Around 12 billion years ago, the universe emerged from a great cosmic dark age as the first stars and galaxies lit up. With a new analysis of data collected by the Murchison Widefield Array (MWA) radio telescope, scientists ...
Astronomy
Nov 26, 2019
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812
Black holes are famous for ripping objects apart, including stars. But now, astronomers have uncovered a black hole that may have sparked the births of stars over a mind-boggling distance, and across multiple galaxies.
Astronomy
Nov 26, 2019
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471
In the 2019 harvest, members of the Landless Workers' Movement (MST), in Rio Grande do Sul state, Brazil, commemorated a harvest estimated at 16,000 tons of organic and agroecological rice, the biggest production of its kind ...
Environment
Nov 26, 2019
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16
Peas and other legumes develop spherical or cylindrical structures—called nodules—in their roots to establish a mutually beneficial relationship with bacteria that convert atmospheric nitrogen into a usable nutrient for ...
Plants & Animals
Nov 26, 2019
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4
Many chemical processes depend on catalysts to facilitate reactions that would otherwise proceed very slowly, or not at all. An innovative procedure for visually representing the structure of catalysts via computer-assisted ...
Analytical Chemistry
Nov 26, 2019
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10
