Lanthanide (Ln3+)-doped upconversion (UC) nanocrystals (NCs) have attracted considerable interest due to their superior optical features. Unfortunately, the relatively low luminescence intensity is a major drawback that seriously ...
Materials Science
Jan 11, 2022
0
59
Living organisms adapt their behavior and movements based on information they acquire from their surrounding environment. But oftentimes this information is imperfect, and the organism needs to act under uncertainty. So, ...
So you like drinking wine, but don't actually know much about it? You want to feel more confident when talking about wine? You would like to know how to choose a "good" wine? You are not alone—but I am here to help.
Other
Jan 11, 2022
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2
Children need help to recover from the disruption COVID has brought to their schooling. Much of the focus—and government funding—has been on academic catch-up. Some schools are beginning to trial adding an hour to the ...
Social Sciences
Jan 11, 2022
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10
Cities emerged as the epicenters of the COVID-19 pandemic: roughly 90 percent of COVID-19 infections worldwide were reported in urban settings. And poor urban neighborhoods were hit especially hard.
Other
Jan 11, 2022
0
21
A contract signed with Arianespace secures the joint launch for two satellites that will further knowledge of our home planet. Scheduled to lift off on a new class of rocket, ESA's Vega-C, from Europe's Spaceport in mid-2025, ...
Planetary Sciences
Jan 11, 2022
0
5
The ocean is becoming ever more central to our economies. Around 80% of internationally traded goods are transported by sea, and even brief blockages cause panic in global markets. Fishing remains big business, but in the ...
Environment
Jan 11, 2022
0
33
The James Webb Space Telescope, the most complex and expensive space laboratory ever created, is less than two weeks away from its ultimate destination a million miles from Earth. Once it arrives, it will send information ...
Astronomy
Jan 11, 2022
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43
Neuromorphic devices—which emulate the decision-making processes of the human brain—show great promise for solving pressing scientific problems, but building physical systems to realize this potential presents researchers ...
General Physics
Jan 11, 2022
0
85
Warmer waters in the central tropical Pacific in recent decades have led to shifts in atmospheric wind jets, bringing more winter rainfall to the eastern Arabian Peninsula and less to the south.
Environment
Jan 11, 2022
0
3
