Secret life of sponges
Sponges are ancient marine animals, very common throughout the world's oceans and seem less affected by ocean warming and acidification.
Plants & Animals
Jan 19, 2022
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Page 5 - News tagged with multicellular organisms
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Ancient fossils reveal fresh clues about early life on land
Slime has been present on Earth for a very long time—almost 2 billion years, according to a recent reassessment of fossil evidence.
Paleontology & Fossils
Oct 10, 2019
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Fossils on the Edge of Forever
Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.
Earth Sciences
Dec 14, 2009
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How a worm's embryonic cells change its development potential
Researchers have spotted how specific proteins within the chromosomes of roundworms enable their offspring to produce specialized cells generations later, a startling finding that upends classical thinking that hereditary ...
Cell & Microbiology
Apr 7, 2023
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Why eukaryotes, not bacteria, evolved complex multicellularity
Prokaryotic single-celled organisms, the ancestors of modern-day bacteria and archaea, are the most ancient form of life on our planet, first appearing roughly 3.5 billion years ago. The first eukaryotic cells appeared around ...
Evolution
Mar 13, 2024
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When physics gives evolution a leg up by breaking one
Genetic mutation may drive evolution, but not all by itself. Physics can be a powerful co-pilot, sometimes even setting the course.
General Physics
Nov 27, 2017
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Quorum sensing: Researchers examine bacteria communication
European researchers at Linköping University in Sweden are showing how bacteria control processes in human cells through a process called quorum sensing. This phenomenon is where bacteria talk to each other via molecules ...
Cell & Microbiology
Dec 6, 2012
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A coral symbiont genome decoded for first time
The Marine Genomics Unit of OIST has decoded the genome of the algae Symbiodinium minutum. The paper was published in the online version of Current Biology on July 11. This is a major advance in understanding the complex ...
Biotechnology
Jul 12, 2013
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Origins of multicellularity: All in the family
One of the most pivotal steps in evolution-the transition from unicellular to multicellular organisms-may not have required as much retooling as commonly believed, found a globe-spanning collaboration of scientists led by ...
Cell & Microbiology
Jul 8, 2010
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Scientists discover animal-like urea cycle in tiny diatoms in the ocean
Scientists have discovered that marine diatoms, tiny phytoplankton abundant in the sea, have an animal-like urea cycle, and that this cycle enables the diatoms to efficiently use carbon and nitrogen from their environment.
Cell & Microbiology
May 11, 2011
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