The first documented record of salt as an ancient Maya commodity at a marketplace is depicted in a mural painted more than 1,000 years ago at Calakmul, a UNESCO World Heritage site in the Yucatan Peninsula in Mexico. In the ...
Archaeology
Mar 22, 2021
1
2203
Optical resonators provide the foundation of modern photonics and optics. Thanks to its extreme energy confinement, the high-Q-factor optical resonator optimizes light-matter interaction and photonic device performance by ...
Optics & Photonics
Mar 22, 2021
0
15
Alaskans have become all too familiar with the choking wildfire smoke that has filled many summer days in recent years. Each time, they are left with these unanswerable questions: "Where is the smoke heading?" "When will ...
Environment
Mar 22, 2021
0
8
Developing a standardized drying protocol for goldenseal could lead to more predictable health applications and outcomes by preserving the alkaloids found in the plant, which is native to Appalachia, according to Penn State ...
Ecology
Mar 22, 2021
0
11
The increasing frequency and severity of extreme weather events like droughts and floods have taken a toll on the midwestern U.S. in recent years, putting a major strain on the region's farmers. From 2001 to 2010, the Federal ...
Environment
Mar 22, 2021
0
41
A new type of rock created during large and exceptionally hot volcanic eruptions has been discovered beneath the Pacific Ocean.
Earth Sciences
Mar 22, 2021
0
3762
Beneath the cold, dark depths of the Arctic ocean sit vast reserves of methane. These stores rest in a delicate balance, stable as a solid called methane hydrates, at very specific pressures and temperatures. If that balance ...
Earth Sciences
Mar 22, 2021
23
1786
Batteries charge and recharge—apparently all thanks to a perfect interplay of electrode material and electrolyte. However, for ideal battery function, the solid electrolyte interphase (SEI) plays a crucial role. Materials ...
Materials Science
Mar 22, 2021
0
20
Antibiotics have revolutionized the field of medicine by making it possible to treat most known microbial diseases today. However, their uncontrolled usage has led to the major global problem of antibiotic resistance. As ...
Biotechnology
Mar 22, 2021
0
13
Enzymes play essential roles in the cells of every living thing, from bacteria, to plants to people. Some do their jobs a few times and fizzle out. Others can repeat a task hundreds of thousands of times before they quit.
Biotechnology
Mar 22, 2021
1
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