Sulfur molecules from space may have seeded early life on Earth
Important nutrients for the first living organisms on Earth may have come from space, according to new research from the University of Hawaiʻi at Mānoa.
Important nutrients for the first living organisms on Earth may have come from space, according to new research from the University of Hawaiʻi at Mānoa.
Astrobiology
May 30, 2024
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177
A typical human cell is metabolically active, roaring with chemical reactions that convert nutrients into energy and useful products that sustain life. These reactions also create reactive oxygen species, dangerous by-products ...
Cell & Microbiology
Jun 1, 2023
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1263
Some thermostatic vertebrates hibernate in extremely cold environments, while ectothermic animals migrate to relatively warmer areas or produce antifreeze proteins to prevent their body fluids from freezing, as in the case ...
Plants & Animals
Mar 1, 2023
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6
One of the most important classes of human enzymes are protein kinases—signaling molecules that regulate nearly all cellular activities, including growth, cell division, and metabolism. Dysfunction in these cellular pathways ...
Cell & Microbiology
Jan 12, 2023
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16
Cancer is characterized by a number of key biological processes known as the "hallmarks of cancer," which remodel cells and their immediate environment so that tumors can form, grow, and thrive. Many of these changes are ...
Bio & Medicine
Nov 2, 2022
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57
Inside cells, molecular droplets form defined compartments for chemical reactions. Not only sticky interactions between molecules, but also dynamic reactions can form such droplets, as was found by researchers from the Max ...
General Physics
Oct 27, 2022
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48
Mount Sinai researchers have developed a rapid blood assay that measures the magnitude and duration of someone's immunity to SARS-CoV-2, the virus that causes COVID-19. This test will allow large-scale monitoring of the population's ...
Biotechnology
Jun 13, 2022
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198
Engineers at the University of California San Diego have developed a powerful new tool that monitors the electrical activity inside heart cells, using tiny "pop-up" sensors that poke into cells without damaging them. The ...
Bio & Medicine
Dec 23, 2021
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306
In a joint collaboration, Danish and German researchers have characterized a cellular activity that protects our cells from potentially toxic by-products of gene expression. This activity is central for the ability of multicellular ...
Molecular & Computational biology
Jan 5, 2021
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85
Like electronic devices, biological cells send and receive messages, but they communicate through very different mechanisms. Now, scientists report progress on tiny communication networks that overcome this language barrier, ...
Molecular & Computational biology
Aug 17, 2020
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269