Planaria are freshwater flatworms that have become a key model for studying regeneration and stem cells, as they can regenerate any part of the body, even the head. But how does the animal know what part of its body is missing ...
Cell & Microbiology
Feb 14, 2023
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60
Ribosomes are the nanomachines of the cell whose task is the correct synthesis of proteins. Researchers at the Heidelberg University Biochemistry Center are studying the emergence of these "protein factories", also known ...
Cell & Microbiology
Feb 8, 2023
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58
A team of theorists has extended their previous critical analysis of the Lead Radius Experiment (PREX). The experiment involved deducing the neutron size of a lead atom's nucleus by measuring a tiny left-right asymmetry in ...
General Physics
Feb 7, 2023
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15
Messenger RNAs (mRNAs) contain chemical marks that are critical for antiviral defense in cells, according to a new study from researchers at Weill Cornell Medicine. The finding solves a 50-year mystery concerning the purpose ...
Cell & Microbiology
Feb 2, 2023
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63
Circadian rhythms are inherent cycles of approximately 24 hours that regulate various biological processes, such as sleep and wakefulness. A research group at Nagoya University in Japan has recently revealed that neural networks ...
Cell & Microbiology
Jan 19, 2023
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19
Scientists at the Max Planck Institute of Molecular Plant Physiology in Potsdam (Germany) analyzed the inheritance of chloroplasts under different environmental conditions in almost 4 million tobacco plants.
Plants & Animals
Jan 16, 2023
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26
Using the Australia Telescope Compact Array (ATCA), an international team of astronomers has observed the population of submillimeter galaxies in a protocluster known as SPT 2349-56. As a result, they found a radio-loud active ...
While studying a nearby pair of merging galaxies using the Atacama Large Millimeter/submillimeter Array (ALMA)—an international observatory co-operated by the U.S. National Science Foundation's National Radio Astronomy ...
Astronomy
Jan 9, 2023
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275
The higher the temperatures, the faster physiological processes are. But there is an exception: the so-called circadian clock, which regulates the sleep-wake cycle in organisms. A fascinating question for scientists is why ...
Cell & Microbiology
Dec 29, 2022
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311
By analyzing the data from NASA's Swift spacecraft and from the Neutron Star Interior Composition Explorer (NICER) onboard the International Space Station, astronomers have investigated an active optical transient known as ...
