Difference in body size (or sexual dimorphism) between males and females is common across the animal kingdom. One of the most extreme examples of sexual dimorphism is found in the cichlid fish species Lamprologous callipterus ...
Evolution
Feb 9, 2023
0
28
An interdisciplinary team of scientists at Nanyang Technological University, Singapore (NTU, Singapore) has found that rapid sea-level rise drove early settlers in Southeast Asia to migrate during the prehistoric period, ...
Archaeology
Feb 6, 2023
0
127
Researchers led by Osaka University used cryogenic electron microscopy to analyze the atomic structure of the centromeric region of the chromosome, essential for cell division. A protein called CENP-A marks the centromere; ...
Cell & Microbiology
Feb 6, 2023
0
73
Certain enzymes from bacteria and algae can produce molecular hydrogen from protons and electrons—an energy carrier on which many hopes are riding. All they need for this purpose is light energy. The major obstacle to their ...
Biochemistry
Jan 11, 2023
0
96
Bacteria are truly abundant across the Earth's surface, from the soil to the oceans. The microbial population of the air that surrounds us is comparatively unknown, but a research expedition led by PolyU scientists is about ...
Ecology
Dec 16, 2022
0
52
The group with the world's simplest animals—tiny blob-like life forms with no organs and just a few cell types—finally has a fleshed-out family tree built by a research group led by the American Museum of Natural History, ...
Plants & Animals
Dec 8, 2022
0
542
For the first cell to develop into an entire organism, genes, RNA molecules and proteins have to work together in a complex way. At first, this process is indirectly controlled by the mother. At a certain point in time, the ...
Cell & Microbiology
Dec 6, 2022
0
108
New modeling shows how synonymous mutations—those that change the DNA sequence of a gene but not the sequence of the encoded protein—can still impact protein production and function. A team of researchers led by Penn ...
Biochemistry
Dec 5, 2022
0
15
Genetic studies of the past 20 years have extensively shown how, across human populations worldwide, the majority of genetic differences are encountered at the individual rather than at the population level. Two random humans ...
Social Sciences
Nov 18, 2022
0
33
As its name implies, the Devil's Hole pupfish lives in a truly hellish environment.
Plants & Animals
Nov 4, 2022
2
298
