EPFL scientists have developed a new research instrument for observing biological tissue samples prepared using a method discovered about forty years ago by Nobel Prize winner Jacques Dubochet, emeritus professor at the University ...
Bio & Medicine
Jun 7, 2023
0
13
Methyl chloride (CH3Cl) is one of the most common chlorine-based gases in Earth's atmosphere. Along with related chemicals, it depletes the ozone layer, exposing life on the planet to more of the sun's ultraviolet radiation. ...
Earth Sciences
May 31, 2023
0
2
Lightning's role in making nitrogen available for life on Earth may have been relatively short-lived, according to a new study led by researchers at the University of St Andrews Centre for Exoplanet Science.
Astrobiology
May 23, 2023
0
237
Quantification of carbon isotopic composition (δ13C) of CO2 can trace the source of carbon, which is significant for studying the evolution process of geological fluids, constraining the global carbon budget, and clarifying ...
Analytical Chemistry
May 4, 2023
0
4
Zircon crystals, like a time capsule, can preserve traces of life hundreds of millions of years old in the form of biogenic carbon. Using new methods, geoscientists at Heidelberg University have succeeded in tracing very ...
Earth Sciences
Apr 6, 2023
0
7
A study of the upper atmosphere's composition has successfully measured an increased presence of 18O, a heavier oxygen isotope with 10 instead of eight neutrons. Helmut Wiesemeyer (MPIfR Bonn) and his colleagues have measured ...
Earth Sciences
Feb 2, 2023
0
25
Norwegian fjord and coastal ice represent a potential security threat, as it may cut off entire communities from the outside world.
Earth Sciences
Nov 9, 2022
0
2
Scientists from Durham University's Institute for Computational Cosmology used the most detailed supercomputer simulations yet to reveal an alternative explanation for the Moon's origin, with a giant impact immediately placing ...
Astronomy
Oct 4, 2022
0
808
Every summer, weather forecasters blast news about African dust plumes crossing the southern United States. And to most people, it's just dust, but to researchers at Texas A&M University, it's much more.
Earth Sciences
Sep 27, 2022
0
260
A team of researchers at the Max Planck Institute for Chemistry, working with a colleague from Université Paris-Saclay, has found evidence that suggests supernovae and their progenitors may have contributed more dust to ...
