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ScienceDaily: Fossils & Ruins News |
| Early dinosaurs may have lived in social herds as early as 193 million years ago Posted: 21 Oct 2021 09:09 AM PDT Scientists believe they have found the earliest evidence for complex herd behavior in dinosaurs. Researchers say Mussaurus patagonicus may have lived in herds some 193 million years ago -- 40 million years earlier than other records of dinosaur herding. |
| Posted: 21 Oct 2021 09:09 AM PDT A team has updated its asteroid bombardment model of the Earth with the latest geologic evidence of ancient, large collisions. These models have been used to understand how impacts may have affected oxygen levels in the Earth's atmosphere in the Archean eon, 2.5 to 4 billion years ago. |
| Some of the world’s oldest rubies linked to early life Posted: 21 Oct 2021 05:46 AM PDT While analyzing some of the world's oldest colored gemstones, researchers discovered carbon residue that was once ancient life, encased in a 2.5 billion-year-old ruby. |
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