An isotope of a chemical element contains the same number of protons in the center of its atom, but when compared to another atom, the number of neutrons is different. Regarding water, some hydrogen and oxygen atoms within ...
Earth Sciences
May 18, 2022
0
12
Mesozoic granitoids, ranging from the Triassic to the Cretaceous, are widely distributed in Qinling orogen. They provide excellent clues for understanding the crustal evolution and geodynamic evolution of the orogenic belt.
Earth Sciences
Apr 15, 2022
0
6
Ice cores allow climate researchers to look 800,000 years back in time. New research indicates that atmospheric carbon acts as fertilizer, increasing biological production. The mechanism removes carbon from the air and thereby ...
Earth Sciences
Mar 10, 2022
10
97
Krypton from the Earth's mantle, collected from geologic hot spots in Iceland and the Galapagos Islands, reveals a clearer picture of how our planet formed, according to new research from the University of California, Davis.
Planetary Sciences
Dec 15, 2021
0
6847
The source of marble for a statue of Apollo on the Greek island of Delos has been a mystery to art historians and archaeologists for decades. The stone's chemistry pointed geochemists to the southern end of the nearby island ...
Archaeology
Oct 12, 2021
0
457
The ability to adjust to changing environmental conditions is an essential prerequisite for species to cope with climate change. Using stable isotope analysis, a team of scientists led by the Leibniz Institute for Zoo and ...
Plants & Animals
Aug 17, 2021
0
68
International drilling efforts over the last decades into the seafloor have provided increasing evidence for the existence of an extensive deep biosphere below the seafloor. There, circulating fluids in the sub-seafloor deliver ...
Earth Sciences
Jul 27, 2021
1
491
Methane, a chemical compound with the molecular formula CH4, is not only a powerful greenhouse gas, but also an important energy source. It heats our homes, and even seafloor microbes make a living of it. The microbes use ...
Earth Sciences
May 5, 2021
1
1117
Scientists have recreated the reaction by which carbon isotopes made their way into different organic compounds, challenging the notion that organic compounds, such as amino acids, were formed by isotopically enriched substrates. ...
Astrobiology
Apr 29, 2021
0
27
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
