Stuff You Should Know Short Stuff: Pollen Count
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May 24, 2023 Dive into the fascinating world of pollen and its impact on allergies. Discover how pollen counts are measured and reported, with a peek into the tools used by experts. Learn about the personal challenges pollen presents during allergy season and the unique characteristics of different pollen types like ragweed. Explore how pollen isn’t just relevant for allergies but also essential for understanding ancient climates and forensic science. This discussion unpacks the science behind something most of us breathe in daily.
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Chuck's Pollen Woes
- Chuck Bryant discusses the annoying persistence of pollen, especially on his work truck.
- He explains that it requires pressure washing to remove the baked-on pollen.
Pollen Counts: Actual Counts
- Pollen counts aren't estimates but actual counts of pollen grains in a cubic meter of air.
- This precise measurement is surprising, given most people's assumptions.
Pollen Measurement Instruments
- Two main instruments measure pollen: rotating arm impactors (like the Rotorod) and Hirst-type spore traps (like the Burkhard).
- These devices collect pollen on greased rods or slides for microscopic analysis.