Feb 01 Watch ‘A Flintstone Moment’: Mammoth Amount of Ice Age Fossils Found in Colorado 'A Flintstone Moment': Mammoth Amount of Ice Age Fossils Found in Colorado…
Science Oct 19 Watch In Greenland, Ice Unlocks Climate Change History Scientists dig deep into Greenland's ice to unearth the history of climate change. Climatologist and Climate Central correspondent Heidi Cullen reports.