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Everything Under The Sun
Why are bugs so little? With Erica McAlister. What are electrons made of? What is the richest place in the world?
Sep 29, 2023
Erica McAlister from the Natural History Museum explains why bugs are small due to their unique respiratory system. The podcast also delves into the composition of electrons and the limitations of exploring the vast universe. Additionally, it discusses calculating the richest place in the world based on GDP, population, and the number of millionaires in New York City. The episode concludes with a contemplation on measuring wealth beyond money and the concept of gross earth happiness.
12:41
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Quick takeaways
- Insects are small because they lack lungs and rely on trachea for gas exchange
- Electrons are fundamental particles with an unknown internal composition, different from protons and neutrons
Deep dives
Why Bugs are Small
Insects are mostly small because they don't have lungs. Instead, they have tiny tubes called trachea that allow gases to enter their bodies. These gases can only travel about one centimeter, limiting their size to a few centimeters at most.
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Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode