Curiosity Weekly
Leaf Swab Tell All, Taffy Science, Persistence of Memory
Nov 1, 2023
Darren Incorvaia, a podcaster, discusses the potential of a new DNA leaf swab technique to revolutionize biodiversity monitoring. Topics include swabbing leaves to map biodiversity, the science of saltwater taffy, and the accuracy of our childhood memories.
12:34
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Quick takeaways
- Swabbing leaves with cotton swabs can revolutionize biodiversity monitoring by detecting DNA of various species.
- Studying the stretch and texture of saltwater taffy using X-ray machines provides insights for understanding other food structures.
Deep dives
Mapping Biodiversity with Swabbed Leaves
Researchers have discovered a new technique for mapping biodiversity using cotton swabs to collect DNA from leaves. By swabbing plants in Uganda's Kibali National Park, researchers found DNA from over 50 mammal and bird species, including endangered African elephants, monkeys, bats, and rodents. This method provides a cheap and accessible way to assess biodiversity without relying on air quality monitors, potentially aiding in conservation efforts.
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