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The Weirdest Thing I Learned This Week
Taxidermy Robots, Talking to Dolphins (and Aliens), Methuselah the Fish
Nov 8, 2023
48:47
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Laura Krantz discusses how talking to dolphins may help us communicate with aliens. Other topics include dead spider claw machines, the oldest fish ever, and the challenges of communicating with extraterrestrial life.
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Quick takeaways
- The non-invasive estimation of fish age through DNA analysis aids in conservation efforts and population prediction.
- Mathematical-based communication may be more universal and suitable for extraterrestrial communication, prompting the study of animal communication.
Deep dives
Non-Invasive Method to Estimate the Age of Fish
Scientists have developed a non-invasive method to estimate the age of fish using their DNA, specifically by tracking methylation patterns in age-related genes. This allows researchers to predict how fish populations will grow and aids in conservation efforts. Methuselah, an Australian lungfish residing in the California Academy of Sciences, was estimated to be around 92 years old, making her the oldest living aquarium fish. The epigenetic clock created by scientists provided insight into the potential lifespan of fish and their ability to adapt to changing environments.
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