This week John and Shannon continue talking about Earth’s past climate and snowball Earth, then delve into the physics of cactus.
Fun Paper Friday
- Which cactus is the worst to get stuck by? Find out in this week’s fun paper!
- Crofts, S. B., and P. S. L. Anderson. “The influence of cactus spine surface structure on puncture performance and anchoring ability is tuned for ecology.” Proceedings. Biological sciences 285.1891 (2018).
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Shannon Dulin – @ShannonDulin
The talk about chollas made me shiver too. In Tucson we called them jumping chollas for their uncanny ability to appear on one’s boot. We kept a comb handy to pull the segment off before finding a shady spot to remove all the spines.