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ScienceDaily: Fossils & Ruins News |
| New cyanobacteria species spotlights early life Posted: 15 May 2021 06:09 AM PDT Cyanobacteria first evolved to perform photosynthesis about 2.4 billion years ago, pumping tons of oxygen into the atmosphere - a period known as the Great Oxygenation Event - which enabled the evolution of multicellular life forms. Researchers have discovered a new species of cyanobacteria, Anthocerotibacter panamensis, which could help illuminate how photosynthesis evolved to create the world as we know it. |
| Earth's oldest minerals date onset of plate tectonics to 3.6 billion years ago Posted: 14 May 2021 10:41 AM PDT Scientists provide new evidence that modern plate tectonics, a defining feature of Earth and its unique ability to support life, emerged roughly 3.6 billion years ago. The study uses zircons, the oldest minerals ever found on Earth, to peer back into the planet's ancient past. |
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