Biologists have long hoped to understand the nature of the earliest living organisms on Earth. If they could, they might then be able to say something about how, when, and where life arose on Earth, and perhaps by extension, ...
Evolution
Apr 22, 2020
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466
Researchers at EMBL Heidelberg have solved a question that has puzzled cell biologists for decades – how does the protein machine that allows cells to swallow up molecules during endocytosis function?
Cell & Microbiology
Jun 19, 2015
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135
(Phys.org) —Scientists at the University of York have discovered that very small chemical changes to dietary flavonoids cause very large effects when the plant natural products are tested for their impact on the human immune ...
Biochemistry
Aug 30, 2013
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An international research group has investigated the mechanisms of cell migration and the impact of tissue rigidity on cell positioning and steering. The research sheds light on, for example, cancer cell migration, and opens ...
Cell & Microbiology
Jul 12, 2022
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58
Evolutionary biologists at Johns Hopkins Medicine report they have combined PET scans of modern pigeons along with studies of dinosaur fossils to help answer an enduring question in biology: How did the brains of birds evolve ...
Plants & Animals
Jan 30, 2024
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715
Researchers have generated a new type of human stem cell that can develop into numerous types of specialized cells, including functioning pancreatic beta cells that produce insulin. Called endodermal progenitor (EP) cells, ...
Cell & Microbiology
Apr 5, 2012
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Water bear. Moss piglet. Tardigrade
Plants & Animals
Jan 28, 2019
3
391
A team of biologists in Japan has uncovered an unexpected role for mitochondria1, the power houses of cells, in the development of sperm in the fruit fly Drosophila melanogaster.
Plants & Animals
Aug 5, 2011
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0
To understand why a cell divides, secretes hormones or transmits a signal to another cell, biologists often use a trick. They attach colored lights to the proteins of interest, so that they can follow the movements and interactions ...
Cell & Microbiology
Mar 27, 2023
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290
Our planet was revolving on its axis, turning night into day every 24 hours, for 4.5 billion years - long before any form of life existed here. About a billion years later, the very first simple bacterial cells came into ...
Cell & Microbiology
Oct 2, 2012
4
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