Spinosaurus Was Not An Aquatic Dinosaur? (Again) | 7 Days of Science

Spinosaurus Was Not An Aquatic Dinosaur? (Again) | 7 Days of Science

by Ben G Thomas

Life & Natural Systems Hobbies & Practical WLifestyle, Hobbies and LeisureWNNature and the natural world: general interest
🎙 Ben G Thomas 👥 763K 📅 March 13, 2024 ⏱ 13 min 👁 64K 📄 news review 🧭 2026-09-06
Available in: English (current) Français

Keywords

Spinosauruspaleontologynew specieshomininsAnthropocene

Summary

This episode of ‘7 Days of Science’ presents a roundup of recent scientific news. The first story announces the discovery of a new living deer species, Pudella carlae, from Peru, which is the first new deer species described in the 21st century. The second story reports on the spread of avian flu to penguin colonies in South Georgia, raising concerns for the remote bird populations. Next, the video discusses a study on the Sturtian glaciation, proposing that a combination of reduced volcanic CO2 emissions and increased weathering of a large volcanic province led to a 57-million-year global ice age. The rejection of the Anthropocene as a formal geological epoch by the Subcommission on Quaternary Stratigraphy is then covered, with the video noting the ongoing debate and the concept’s continued relevance. The main paleontological story focuses on a new paper that criticizes the methodology of a 2022 study supporting Spinosaurus as a fully aquatic dinosaur, suggesting instead that it was a semi-aquatic wading animal. The video also covers the naming of a new toothless prehistoric bird, Imparavis attenboroughi, after David Attenborough, and the description of a new ornithopod dinosaur, Chakisaurus nekul, from Argentina. Finally, the oldest evidence of hominins in Europe, stone tools dated to 1.42 million years old from Ukraine, is discussed, supporting an east-to-west dispersal hypothesis.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides a high-value summary of recent scientific developments, effectively synthesizing complex studies into accessible segments. The argumentation is generally solid, with the presenter clearly explaining the methods and conclusions of each study. For the Spinosaurus debate, the video does an excellent job of presenting both sides: it outlines the 2022 study’s findings and the new critique’s points, and notes that the original authors have already released a response. This balanced approach highlights the ongoing scientific process. The presenter also adds context, such as explaining the significance of the new deer species or the implications of the hominin dating, which enhances the value of the information.

Scientific Rigor, Source Quality, Title Accuracy

The video demonstrates strong scientific rigor by basing each news segment on peer-reviewed papers or official reports, with all sources listed in the description. The presenter is careful to distinguish between established facts, like the discovery of the new deer species, and ongoing debates, like the Spinosaurus controversy. The title accurately reflects the main focus of the video, which is the Spinosaurus debate, and the ‘Again’ appropriately signals the recurring nature of this topic. The video’s content aligns well with its title and description, providing a comprehensive news roundup.

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Title / Content Match

The title accurately reflects the main focus of the video, which is the ongoing debate about Spinosaurus's aquatic lifestyle, with the 'Again' acknowledging the recurring nature of this controversy.

Quality & Reliability

8/10

The video is a well-structured news roundup covering multiple recent scientific studies. Each segment is based on peer-reviewed publications or official reports, with links provided in the description. The presenter clearly distinguishes between established findings, ongoing debates, and his own interpretations. The main limitation is the inherent brevity of a news format, which prevents deep methodological analysis.

Chapters

Cited Sources

Concurring Sources

Dissenting Sources

  • Preprint response to the critique — The original authors of the 2022 Spinosaurus study have released a preprint response defending their methods and conclusions, directly contradicting the new critique.

External References

Contribution & Novelties

The video’s main contribution is its synthesis of recent scientific news, particularly the ongoing Spinosaurus debate. It provides a clear and balanced overview of the new critique and the original authors’ response, which is valuable for understanding the current state of the controversy. The video also highlights other significant discoveries, such as the new deer species and the oldest hominin evidence in Europe, which may not have received widespread attention.

Pour aller plus loin :

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Radar Profile

The radar profile shows a well-rounded video with high scores across all dimensions. The high 'quantite_information' and 'qualite_information' scores reflect the dense and accurate presentation of multiple scientific studies. The 'niveau_technique' is also high, indicating that the content is presented at a level suitable for an informed audience, without oversimplifying complex topics. The 'fiabilite_globale' is strong, supported by the use of peer-reviewed sources and a balanced presentation of controversies.

Reliability 8/10

💬 The comments are predominantly positive and humorous, with viewers engaging in playful speculation about Spinosaurus's lifestyle. The tone is lighthearted, with many jokes about the ever-changing scientific consensus. There is a clear appreciation for the video's coverage of the debate, with several comments expressing amusement at the ongoing controversy.