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The day the dinosaurs died

TED Radio Hour

2025/05/09
TED Radio Hour

TED Radio Hour

2025/05/09
This podcast explores the fascinating story behind the fifth mass extinction, focusing on a New Jersey quarry that has become a treasure trove of fossils. Through the insights of paleontologist Ken Lacovara, listeners gain a deeper understanding of the catastrophic events following an asteroid impact and how they reshaped life on Earth.
The podcast delves into the significance of the Edelman Fossil Park and Museum in New Jersey, where evidence of the asteroid's impact 66 million years ago was discovered. Paleontologist Ken Lacovara recounts his journey from underestimating the site to recognizing its global importance due to the abundance of fossils and iridium deposits. The discussion highlights the immediate effects of the asteroid strike, including massive earthquakes and temperature spikes, which contributed to the dinosaurs' extinction within hours. Additionally, the podcast addresses the challenges of fossil excavation and emphasizes the role of public engagement through hands-on experiences at the museum. Finally, it connects these ancient events to today's environmental concerns, urging action against the ongoing sixth extinction.
00:00
00:00
Paleontologists have collected fossils in southern New Jersey for over a century.
06:38
06:38
An asteroid hit 1500 miles away, causing an earthquake and global temperature spike.
10:20
10:20
Global temperatures soared within an hour of the asteroid impact
29:25
29:25
The exhibit recreates predator-prey relationships and post-asteroid events.
41:47
41:47
The five previous mass extinctions were due to climate crises, suggesting humans could be the 'asteroid' of our age but can still change.