A paper published in the Proceedings of the National Academy of Sciences describes "a missing law of nature," recognizing for the first time an important norm within the natural world's workings.
Evolution
Oct 16, 2023
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Researchers said Tuesday they had uncovered fossils showing that complex life on Earth began more than 1.5 billion years ago, nearly a billion years earlier than previously thought.
Evolution
May 17, 2016
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2067
(Phys.org)—For a long time, biologists have considered sex to be an inherent trait of multicellular life, while microbial eukaryotes were considered to be either optionally sexual or purely clonal. From this perspective, ...
A research team led by biogeochemists at the University of California, Riverside has filled in a billion-year gap in our understanding of conditions in the early ocean during a critical time in the history of life on Earth.
Earth Sciences
Mar 18, 2013
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When life on Earth first emerged about 4 billion years ago, it was simple by today's standards.
Biochemistry
Oct 22, 2010
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(PhysOrg.com) -- Understanding how living cells originated and evolved into their present forms remains a fundamental research area in biology, one boosted in recent years by the introduction of new tools for genomic analysis. ...
Cell & Microbiology
Apr 22, 2009
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The world would look very different without multicellular organisms—take away the plants, animals, fungi, and seaweed, and Earth starts to look like a wetter, greener version of Mars. But precisely how multicellular organisms ...
Evolution
May 10, 2023
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379
Around 500 million years ago life in the oceans rapidly diversified. In the blink of an eye—at least in geological terms—life transformed from simple, soft-bodied creatures to complex multicellular organisms with shells ...
Earth Sciences
May 10, 2023
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51
Nature is full of patterns. Among them are tiling patterns, which mimic what you'd see on a tiled bathroom floor, characterized by both tiles and interfaces—such as grout—in between. In nature, a giraffe's coloring is ...
Cell & Microbiology
Aug 12, 2022
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177
Cells have certain proteins that help them adhere to each other while covering body surfaces and organs. Loss of these identifying proteins could result in cellular progression towards cancer and, subsequently, metastasis. ...
Cell & Microbiology
May 9, 2022
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