"Newly Discovered “Hell Chicken” Species Shakes Up" Topic
7 Posts
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Tango01  | 30 Jul 2024 4:18 p.m. PST |
… Dinosaur Extinction Theories
"Were dinosaurs already on their way out when an asteroid hit Earth 66 million years ago, ending the Cretaceous, the geologic period that started about 145 million years ago? It's a question that has vexed paleontologists like us for more than 40 years.
In the late 1970s, debate began about whether dinosaurs were at their peak or in decline before their big extinction. Scientists at that time noted that while dinosaur diversity seemed to have increased in the geologic stage that spanned 83.6 million to 71.2 million years ago, the number of species on the scene seemed to decrease during the last few million years of the Cretaceous. Some researchers have interpreted this pattern to mean that the asteroid that struck the Gulf of Mexico was simply the final blow for an already vulnerable group of animals…"
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Scientists Discover 2500-Year-Old "Lost Valley of Cities" in the Amazon
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Armand |
| rvandusen | 31 Jul 2024 1:01 a.m. PST |
There seems to have been declining species diversity before the K-T event. |
| gavandjosh02 | 31 Jul 2024 1:21 p.m. PST |
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| Zephyr1 | 31 Jul 2024 2:02 p.m. PST |
BBQ afficionadoes would not have been impressed, it still had tiny chicken wings… |
| Tango01 | 31 Jul 2024 2:47 p.m. PST |
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| Shagnasty | 01 Aug 2024 6:28 a.m. PST |
Indeed. Despite the evidence I still can't wrap my head around
the idea of colorful, feathered dinosaurs! |
| Tango01 | 01 Aug 2024 2:25 p.m. PST |
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