Short Wave Iridium's Pivotal Role In Our Past And ... Maybe Our Future?
Dec 23, 2019
Richard Harris, a longtime NPR science correspondent, shares riveting insights into the pivotal role of iridium in unraveling the dinosaur extinction mystery. He highlights how a father-son duo linked this rare element to a catastrophic asteroid impact, changing our understanding of mass extinctions. The discussion expands to the potential of iridium in tackling modern challenges, particularly in renewable energy technologies. As we celebrate 150 years of the periodic table, Harris connects the past with future possibilities for humanity's survival.
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Iridium and Dinosaurs
- Luis and Walter Alvarez studied iridium levels in rocks to determine the Cretaceous-Paleogene transition's speed.
- They found high iridium, suggesting an asteroid impact.
Iridium's Rarity
- Iridium is rare and expensive, making it challenging to use in large-scale applications.
- Researchers hope to understand iridium's catalytic properties to find a more abundant alternative.