きゅんです！サイエンス ‐ 小出剛先生（2025.8.17）

きゅんです！サイエンス ‐ 小出剛先生（2025.8.17）

by Koide Tsuyoshi (小出剛)

Life & Natural Systems Science — General & History PDScience: general issuesPDZPopular science
🎙 Koide Tsuyoshi (小出剛) 👥 72 📅 September 10, 2025 ⏱ 22 min 👁 25 📄 science communication 🧭 2026-08-16
Available in: English (current) Français

Keywords

heatwavewildlifeclimate changeglobal warmingbiodiversity

Summary

In this episode of ‘Kyun desu! Science’, host and guest Dr. Koide Tsuyoshi, an associate professor at the National Institute of Genetics, discuss the impacts of the extreme heat on animals and the broader context of global warming. The conversation begins with personal anecdotes about pets struggling with the heat, such as dogs needing early morning walks and cats with unusual temperature preferences. They then expand to wild and domestic animals, noting reduced food intake in livestock and decreased egg production in chickens. The host and guest observe that cicadas have been less vocal and birds have declined, citing a newspaper report of a 7.4% annual decrease in common birds like sparrows over the past decade. The discussion then shifts to global warming, referencing WWF’s claim that over 7,600 species are affected by climate change, and IUCN’s Red List of 47,187 endangered species, with 16% impacted by warming. They mention IPCC’s finding of a 0.74°C global temperature rise over the past century, with Japan experiencing a higher increase of 1.14°C. Projections for the end of the century suggest a rise of 2.4-6.4°C, leading to ocean acidification, sea-level rise of 25-59 cm, and more extreme weather events. The episode concludes with a call for individual actions like saving electricity, recycling, reducing food waste, and using public transport.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable insights into the observable effects of heat on animals, drawing on personal observations and general scientific reports. The argumentation is coherent, moving from specific examples to broader climate change data. However, the evidence is largely anecdotal and relies on secondary sources without detailed scientific backing. The discussion is more conversational than analytical, but it effectively raises awareness about the urgency of climate action.

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Title / Content Match

The title accurately reflects the content, which is a science communication episode featuring Dr. Koide.

Quality & Reliability

6/10

The video is a casual conversation with a researcher from the National Institute of Genetics, discussing the impacts of heat on animals and climate change. It cites general sources like WWF, IUCN, and IPCC, but lacks specific citations and detailed data. The information is presented in an accessible manner, but the scientific rigor is moderate due to the informal format and lack of in-depth analysis.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

  • WWF - World Wide Fund for Nature — Cited as a source for the number of species affected by climate change (over 7,600).
  • IUCN Red List — Cited as a source for the number of endangered species (47,187) and the percentage affected by climate change.
  • IPCC - Intergovernmental Panel on Climate Change — Cited for data on global temperature rise and future projections.

Concurring Sources

  • IPCC Sixth Assessment Report — Supports the claim of global temperature rise and future projections.
  • IUCN Red List — Provides data on endangered species and threats, including climate change.

Contribution & Novelties

The video offers a personal and accessible perspective on the impacts of heat on animals, combining anecdotal observations with general scientific data. It highlights the noticeable decline in common birds and changes in cicada behavior, which may resonate with viewers. The discussion on individual actions provides a practical takeaway.

Pour aller plus loin :

  • IPCC Sixth Assessment Report — Comprehensive scientific assessment of climate change impacts.
  • IUCN Red List — Detailed database of threatened species.
  • WWF Climate Change — Information on climate change impacts on wildlife.
  • Japan Meteorological Agency Climate Change — Data on climate change in Japan.

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Radar Profile

The radar profile shows moderate scores across all dimensions, with a slightly lower technical level. This reflects the video's accessible, conversational style, which prioritizes general awareness over deep scientific detail.

Reliability 6/10