How Did the Dinosaurs Become Extinct?

History · Published

How Did the Dinosaurs Become Extinct? · 2:10 · Intellect Plus

In short: How an iridium-rich clay layer, a buried crater in the Yucatán and decades of study explain the end of the non-avian dinosaurs, why some pathways are still debated, and why birds are the dinosaurs that survived.

A 2:10 short film in the series “How Did…?”, narrated by intellect_voice_01.

Sources used in this film: Natural History Museum, London, “The Cretaceous Period: What was Earth like before dinosaurs went extinct? | Natural History Museum”; Royal Society Open Science (Bonsor et al. 2020), hosted by PubMed Central, US National Library of Medicine, “Dinosaur diversification rates were not in decline prior to the K-Pg boundary”; NASA Technical Reports Server (NTRS), National Aeronautics and Space Administration, “Extraterrestrial cause for the Cretaceous-Tertiary extinction - NASA Technical Reports Server (NTRS)”; Encyclopaedia Britannica, “Dinosaur - Asteroid Theory, Extinction, Fossils | Britannica”; Smithsonian Magazine (Smithsonian Institution), “A Tale of Two Rocks”; Scientific Reports (Nature Portfolio, Springer Nature), “Global climate change driven by soot at the K-Pg boundary as the cause of the mass extinction - Scientific Reports”; Lunar and Planetary Institute (LPI), Universities Space Research Association, “A research institute that provides support services to NASA and the planetary science community.”; Nature (Springer Nature), “Rock core from dinosaur-killing impact reveals how enormous craters form - Nature”; University of Leicester (International Ocean Drilling Programme / ECORD Petrophysics Consortium), “2015 - 2016 | International Ocean Drilling Programme | University of Leicester”; Smithsonian Magazine, “Dust May Have Triggered the Global Winter That Killed the Dinosaurs”; Nature Reviews Earth & Environment (Springer Nature), “The Chicxulub impact and its environmental consequences - Nature Reviews Earth & Environment”; Encyclopædia Britannica, “K–T extinction | Overview & Facts | Britannica”; ScienceDaily (news release based on material from the Geological Society of America), “Chicxulub and the deccan eruptions: Just a coincidence?”; Natural History Museum (London), “Why are birds the only surviving dinosaurs? | Natural History Museum”; Smithsonian Magazine (Smithsonian Institution), “Why Birds Survived, and Dinosaurs Went Extinct, After an Asteroid Hit Earth”; Smithsonian Magazine (Smithsonian Institution), “Fossil Site Reveals How Mammals Thrived After the Death of the Dinosaurs”.

Sources used in this film

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