The first signs of life emerged on Earth in the form of microbes about four billion years ago. While scientists are still determining exactly when and how these microbes appeared, it's clear that the emergence of life is ...
Earth Sciences
Feb 10, 2023
0
506
The secret to a perfect croissant is the layers—as many as possible, each one interspersed with butter. Similarly, a new material with promise for new applications is made of many extremely thin layers of metal, between ...
Nanomaterials
Mar 24, 2023
3
698
The Latest Permian Mass Extinction (LPME) was the largest extinction in Earth's history to date, killing between 80–90% of life on the planet, though finding definitive evidence for what caused the dramatic changes in climate ...
Earth Sciences
Jan 26, 2023
4
257
Forming metal into the shapes needed for various purposes can be done in many ways, including casting, machining, rolling, and forging. These processes affect the sizes and shapes of the tiny crystalline grains that make ...
Analytical Chemistry
May 20, 2022
0
1056
A new liquid metal combination is shaping up as a potential secret weapon in the global fight against antimicrobial resistance, which is already rendering some antibiotic medications powerless against 'superbugs'.
Bio & Medicine
Aug 4, 2023
0
197
Like all metals, silver, copper, and gold are conductors. Electrons flow across them, carrying heat and electricity. While gold is a good conductor under any conditions, some materials have the property of behaving like metal ...
Condensed Matter
Jun 4, 2021
2
3448
In chemistry, we have He, Fe and Ca—but what about do, re and mi? Hauntingly beautiful melodies aren't the first things that come to mind when looking at the periodic table of the elements. However, using a technique called ...
Materials Science
Mar 26, 2023
4
892
Lithium–sulfur (Li–S) batteries are a promising alternative to lithium–ion batteries (LiBs), the most common rechargeable battery technology. As sulfur is abundant on Earth, these batteries could be cheaper and more ...
A new electrocatalyst made of nickel (Ni), iron (Fe) and silicon (Si) that decreases the amount of energy required to synthesize H2 from water has been manufactured in a simple and cost-effective way, increasing the practicality ...
Nanomaterials
Nov 27, 2023
1
1250
Scientists have identified a mechanism through which important metals, crucial to the manufacturing of renewable energy technologies, are passed from the Earth's mantle to the crust.
Earth Sciences
Jan 31, 2022
0
596
