The Bronze Age (2200 to 800 BC) marked a decisive step in the technological and economic development of ancient societies. People living at the time faced a series of challenges: changes in the climate, the opening up of ...
Archaeology
Feb 2, 2021
0
193
In a new study, investigators report an optimized approach to using laser-induced breakdown spectroscopy (LIBS) for analyzing hydrogen isotopes. Their new findings could enable improved rapid identification and measurement ...
Optics & Photonics
Feb 1, 2021
0
21
Seabird guano fertilizer—also known as 'white gold'—could have been responsible for the highly productive agricultural systems of pre-Incan civilization in the otherwise arid climate of the Atacama Desert. These findings, ...
Plants & Animals
Jan 26, 2021
0
9
Position-specific isotope analysis (PSIA) is a technique that measures the isotope composition of a certain position in a molecule. It can provide valuable information of the formation mechanisms of a molecule.
Analytical Chemistry
Jan 25, 2021
0
9
A large international team of researchers has developed a way to measure cluster formations in the outer neutron 'skin' of a range of tin isotopes rich in neutrons. In their paper published in the journal Science, the group ...
A team of researchers affiliated with institutions in Australia, the U.S. and France has found evidence of relatively recent water movement in meteorites that only recently collided with the Earth. In their paper published ...
An invisible flow of groundwater seeps into the ocean along coastlines all over the world. Scientists have tended to disregard its contributions to ocean chemistry, focusing on the far greater volumes of water and dissolved ...
Earth Sciences
Jan 8, 2021
1
781
Around 120 million years ago, the earth experienced an extreme environmental disruption that choked oxygen from its oceans.
Earth Sciences
Dec 21, 2020
8
64
Extremely light and weakly interacting particles may play a crucial role in cosmology and in the ongoing search for dark matter. Unfortunately, however, these particles have so far proved very difficult to detect using existing ...
Michigan State University (MSU) researchers have discovered that one of the most important reactions in the universe can get a huge and unexpected boost inside exploding stars known as supernovae.
General Physics
Dec 2, 2020
6
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