The ancient Maya had stone temples and palaces in the rainforest of Central America, along with dynastic records of royal leaders carved in stone, but they lacked a basic commodity essential to daily life: Salt. The sources ...
Archaeology
Nov 18, 2021
0
637
By combining a CeO2 catalyst with atmospheric carbon dioxide, researchers from Osaka City University, Tohoku University, and Nippon Steel Corporation have developed an effective catalytic process for the direct synthesis ...
Polymers
Jul 29, 2021
0
327
A pair of researchers at the University of Kent has found that tardigrades are able to survive impacts at speeds of up to 825 meters per second. In their paper published in the journal Astrobiology, Alejandra Traspas and ...
Forests such as the Amazon rainforest emit huge amounts of biogenic volatile organic compounds (BVOC) into the atmosphere. These compounds impact the physical and chemical properties of the atmosphere and also our climate. ...
Earth Sciences
Aug 27, 2020
0
6
A pair of physicists at Simon Fraser University has developed a means for demonstrating the Mpemba effect in a controlled setting. In their paper published in the journal Nature, Avinash Kumar and John Bechhoefer describe ...
Lubricating oils deteriorate and oxidize with use as well as accumulating particles from the engines and other machinery in which they are used. Ultimately, their effectiveness worsens and they begin to damage the components ...
Biochemistry
Jun 29, 2020
0
7
A boiling point of 5900 degrees Celsius and diamond-like hardness in combination with carbon: tungsten is the heaviest metal, yet has biological functions—especially in heat-loving microorganisms. A team led by Tetyana ...
Biochemistry
Jul 9, 2019
0
0
Tremendous progress of organic solar cells (OSCs) has been exemplified by the use of non-fullerene electron acceptors (NFAs) in the past few years. Compared with fullerene derivative acceptors, NFAs show a multitude of advantages ...
Materials Science
Jun 12, 2019
0
4
A tattoo that is warning you for too many hours of sunlight exposure, or is alerting you for taking your medication? Next to their cosmetic role, tattoos could get new functionality using intelligent ink. That would require ...
General Physics
Apr 16, 2019
0
15
The simple act of boiling water is one of humankind's oldest inventions, and still central to many of today's technologies, from coffee makers to nuclear power plants. Yet this seemingly simple process has complexities that ...
General Physics
Apr 5, 2019
1
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