Airing On Monday May 8th 2017
8:00 pm eastern, 7:00 pm central and 5:00 pm pacific
How old is the Earth is a question man has ask for centuries. New Mexico Museum of Natural History field researcher Ken McKeighen will explain the history of how we learned to understand the true age of the Earth. Join our host for an in depth look at how we know the age of rocks and their fossils.