Episode #622
News Items
- Dinosaur Proteins Questioned
- Another Gravitational Wave
- Bigelow on Aliens
- Don’t Put Wasps Nests in your Vagina
Who's That Noisy
- Answer to last week: Piano strings
Science or Fiction
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Item #1
Science
Plants use three different types of photosynthesis: C3, C4, and CAM (crassulacean acid metabolism), but almost all trees use the less efficient C3 cycle. https://u.osu.edu/bhanr/2016/08/22/what-there-are-three-different-types-of-photosynthesis/
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Item #2
Science
A 206 acre stand of aspen trees in Utah is actually a single organism weighing 6 million kilograms and estimated to be 80,000 years old. https://en.wikipedia.org/wiki/Pando_%28tree%29
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Item #3
Fiction
The Dragon’s Blood tree has deep red sap that has been used for centuries as a medicinal and a varnish, and contains a powerful hallucinogen similar in chemistry and effect to LSD. http://globaltrees.org/threatened-trees/trees/socotra-dragon-tree/
Skeptical Quote of the Week.
“Innumeracy and pseudoscience are often associated, in part because of the ease with which mathematical certainty can be invoked, to bludgeon the innumerate into a dumb acquiescence.” - John Allen Paulos