Transcript
4kJf7XnhPT0 • Elusive Mammal Fossil Discovery Paints Timeline of Life after Dinosaurs Died I NOVA I PBS
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Kind: captions Language: en when we first came out we were just looking for whatever we could find the important thing we wanted to find were mammal jaws and mammal teeth that they were elusive so I one day I was walking along in an area I'd been many times before and I saw this white round rock sitting there on kind of its own little pedestal [Music] and I picked it up and looked at it and as soon as I looked at it I saw these teeth that were just smiling out at me and I just almost had a heart attack she'd found part of a mammal skull one that could fit in the palm of her hand I was so excited because it was really really well preserved she brought the fossil to the museum where it was cataloged and filed away it was years before Tyler happened to cross it I was downstairs just looking through the collection pulling open drawers and they're sitting right in the front was the palate of a mantle and I was absolutely astonished I couldn't believe it because I was thinking to myself like there's this complete of a skull here there's got to be more Sharon's fossil had been found in a particular kind of rock called a concretion sometimes concretions can form around organic material like bone and if conditions are right they protect the fossil inside for eons Sharon's skull was incredibly lucky because it showed that yes there are fossils inside and this is the type of rock to look for Tyler decides to change his game and look for concretions to crack open they hit the bluffs their eyes peeled for promising rocks there's a whole hillside of choices one catches Tyler's eye they see this rock this concretion on the ground the very first one that I pick up and I crack it and it was amazing I just found a mammal skull and that was just the beginning and it was crazy the way it happened I mean you could go your entire career as a mammal paleontologist and not find a skull from this time period that's how rare they are we found I think five or six mammal skulls within about a 10 minute time span we're just laughing on the outcrop nothing like that's ever happened to me before I mean amazing they'd cracked the case and unearth the trove of time capsules filled with clues so Tyler and Ian have discovered is a rosetta stone and corral Bluffs is telling us something very important it's telling us about ourselves how we got to be here you