Introduced in 2004, high-entropy alloys (HEAs) are alloys composed of multiple principal elements in nearly equiatomic proportions. Their unique chemical composition results in a high degree of chemical disorder, i.e., entropy, ...
Analytical Chemistry
Jul 28, 2023
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127
The spinning, solar-powered spacecraft will take another look of the fiery Jovian moon on July 30.
Space Exploration
Jul 26, 2023
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567
Pet rabbits have higher levels of the stress hormone—corticosterone—and show activity rebound when kept in small hutches with restricted exercise, new research led by the University of Bristol Vet School has found. The ...
Plants & Animals
Apr 25, 2023
3
761
This new image from NASA's Hubble Space Telescope shows interacting galaxies known as AM 1214-255. These galaxies contain active galactic nuclei, or AGNs. An AGN is an extraordinarily luminous central region of a galaxy. ...
Astronomy
May 4, 2023
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100
In astronomy, elements other than hydrogen and helium are called metals. While that might make your high-school chemistry teacher cringe, it makes sense for astronomers. The two lightest elements were the first to appear ...
Astronomy
Jun 12, 2023
1
228
As a child, Alfredo Colato cooked eggs on this southern Italian volcano. Today, he is poised to flee Campi Flegrei, as experts warn earthquakes rocking his hometown could herald an eruption.
Environment
Oct 4, 2023
1
54
In the months ahead, two of NASA's Mars spacecraft will have an unprecedented opportunity to study how solar flares—giant explosions on the sun's surface—could affect robots and future astronauts on the Red Planet.
Planetary Sciences
Apr 29, 2024
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35
NASA's Juno spacecraft will fly past Jupiter's volcanic moon Io on Tuesday, May 16, and then the gas giant itself soon after. The flyby of the Jovian moon will be the closest to date, at an altitude of about 22,060 miles ...
Planetary Sciences
May 15, 2023
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31
Hundreds of millions of years ago, an earthquake sent a series of massive waves across the ancient sea that covered part of Western Canada and the northern United States.
Earth Sciences
Feb 27, 2024
0
266
The active ingredient in many drugs is what's known as a small molecule: bigger than water, much smaller than an antibody and mainly made of carbon. It's tough, however, to make these molecules if they require a quaternary ...
Materials Science
Apr 6, 2024
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