What happened in the days, even hours, after an asteroid set off the fifth extinction? A New Jersey quarry, and site of a new museum founded by paleontologist Ken Lacovara, sheds light on the mystery. Correction: An earlier version of this story incorrectly stated that Mantua Township, NJ helped to raise money for the construction of the Edelman Fossil Park & Museum. Paleontologist Ken Lacovara partnered with Rowan University to fundraise. TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at: plus.npr.org/ted Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy