Very high atmospheric CO2 levels can explain the high temperatures on the still young Earth three to four billion years ago. At the time, our Sun shone with only 70 to 80 percent of its present intensity. Nevertheless, the ...
Earth Sciences
May 31, 2021
4
124
An international research team led by the University of Cologne has succeeded for the first time in connecting several atomically precise nanoribbons made of graphene, a modification of carbon, to form complex structures. ...
Nanomaterials
May 12, 2021
0
2067
Oxygen is essential for the development of higher life. However, it was hardly present in the oceans of the young Earth. It was not until the evolution of photosynthetic bacteria that the oceans saw a significant increase ...
Earth Sciences
May 6, 2021
0
26
A research team at the University of Cologne has discovered previously undescribed bacteria in amoebae that are related to Legionella and may even cause disease. The researchers from Professor Dr. Michael Bonkowski's working ...
Cell & Microbiology
Apr 30, 2021
0
79
Bacteria integrate genetic material from other bacterial strains more easily than previously thought, which can lead to improved fitness and accelerated evolution. This is shown in a recent study by biophysicists at the University ...
Cell & Microbiology
Mar 8, 2021
0
119
Dry and cloudless weather was mainly responsible for the unusually high solar irradiance in western Europe during the spring of 2020, not the reduction in aerosol emissions due to the first lockdown. This was the result of ...
Earth Sciences
Feb 16, 2021
26
20
Writing in PNAS, scientists from Cologne university present important new constraints showing that plate tectonics started relatively slow, although the early Earth's interior was much hotter than today.
Earth Sciences
Dec 22, 2020
1
33
Titanium silicalite-1 (TS-1) is not a new catalyst: It has been almost 40 years since its development and the discovery of its ability to convert propylene into propylene oxide, an important basic chemical in the chemical ...
Materials Science
Nov 2, 2020
1
112
Favorable climatic conditions influenced the sequence of settlement movements of Homo sapiens in the Levant on their way from Africa to Europe. In a first step, modern humans settled along the coast of the Mediterranean Sea. ...
Archaeology
Oct 14, 2020
0
90
A research team from Cologne has discovered that a change in the DNA structure—more precisely in the chromatin—plays a decisive role in the recovery phase after DNA damage. The key is a double occupation by two methyl ...
Cell & Microbiology
Oct 13, 2020
0
283
