Analysis of stone tools attributed to the Ahmarian, the first Upper Paleolithic culture of the Near East (dated approximately 40,000 to 45,000 years ago) shows that small, elongated, symmetrical objects (bladelets) were mass-produced ...
Archaeology
Jan 6, 2023
1
232
Whether radiation exposure of fathers can have consequences on their children is one of the most long-standing questions in radiation biology. Using the nematode Caenorhabditis elegans as a model, Professor Dr. Björn Schumacher ...
Molecular & Computational biology
Dec 21, 2022
0
33
The Dutch use their bicycles around twice as often as their German neighbors in the winter months. Generally, bicycles are used more often in the Netherlands than in Germany. In the summer (June to August) the Dutch use their ...
Social Sciences
Dec 16, 2022
1
1
Besides the skin, the digestive tract is the tissue that is most exposed to environmental influences such as bacteria and viruses. Therefore, cells that form these barriers to the interior of the body also have special defense ...
Cell & Microbiology
Dec 7, 2022
0
87
An interdisciplinary team of scientists from Cologne, Heidelberg and Munich have discovered a new function of a well-known enzyme. The signal peptidase complex in the endoplasmic reticulum cleaves faulty membrane proteins ...
Cell & Microbiology
Dec 1, 2022
0
102
Scientists at the University of Cologne have discovered how cells can eliminate mutated mitochondrial DNA (mtDNA). Due to their evolutionary descent from bacteria, mitochondria still have genetic material packaged in chromosome-like ...
Cell & Microbiology
Nov 16, 2022
0
53
Scientists at the University of Cologne and the University of Osnabrück have demonstrated for the first time, in biological systems with a single species, that chaos-like unpredictable dynamics can arise under completely ...
Evolution
Nov 11, 2022
0
147
The public is more willing to bear the costs of climate action if other countries contribute as well. This is the result of a study conducted by Professor Dr. Michael Bechtel, member of the Cluster of Excellence ECONtribute ...
Social Sciences
Nov 3, 2022
0
8
Bacteria can exchange genetic material among themselves—even across species. Rather than being passed on from ancestor to offspring, genetic information is exchanged among organisms living at the same time. By systematically ...
Evolution
Oct 13, 2022
0
86
Scientists from the group of Professor Dr. Thorsten Hoppe at the Cologne Cluster of Excellence for Aging Research CECAD have found that in the nematode C. elegans, the perception of changes in ambient temperature via a defined ...
Cell & Microbiology
Oct 7, 2022
0
10
