Dinosaur dating controversy

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Category: Portugal
Added: 14.09.2019
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10 Dinosaur Controversies That Just Won't Go Away

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Controversial T. Rex Soft Tissue Find Finally Explained | Live Science

Springer Shop Bolero Ozon. Trevor Palmer. In Controversy, Trevor Palmer fully documents how traditional gradualistic views of biological and geographic evolution are giving way to a catastrophism that credits cataclysmic events, such as meteorite impacts, for the rapid bursts and abrupt transitions observed in the fossil record. According to the catastrophists, new species do not evolve gradually; they proliferate following sudden mass extinctions. Placing this major change of perspective within the context of a range of ancient debates, Palmer discusses such topics as the history of the solar system, present-day extraterrestrial threats to earth, hominid evolution, and the fossil record. The Establishment of Gradualism.
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How Do Scientists Determine the Age of Dinosaur Bones?

A Princeton geologist has endured decades of ridicule for arguing that the fifth extinction was caused not by an asteroid but by a series of colossal volcanic eruptions. Gerta Keller was waiting for me at the Mumbai airport so we could catch a flight to Hyderabad and go hunt rocks. She looked harmless enough: thin, with a blunt bob, wearing gray nylon pants and hiking boots, and carrying an insulated ShopRite supermarket bag by way of a purse. To hear more feature stories, see our full list or get the Audm iPhone app. I quickly learned that Keller felt such reassurances were necessary because, appropriately for someone who studies mass extinctions, she has a tendency to attract disaster.
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The last dinosaurs died approximately 65 million years ago. Although the cause of their extinction is still a mystery, climatic change, diseases, changing plant communities, and geologic events could all have played a role. Lately, dinosaur extinction theories have been the subject of much debate and controversy. A recent explanation, supported by many scientists, suggests that dinosaurs died out soon after a huge meteorite crashed to Earth near the Gulf of Mexico.
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