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Mastodon bones in US state show warm ancient Earth

November 26, 2014

DENVER (AP) — Scientists say a trove of ancient bones from gigantic animals discovered in the Colorado mountains provides a fascinating look at what happened about 120,000 years ago when the Earth got as warm as it is today.

Researchers just published the first big batch of data from the site unearthed four years ago near Snowmass, Colorado. They found mastodons, mammoths, giant sloths, huge bison, insects, plants and pollen.

They say the evidence shows conditions at high altitude react to climate change in unexpected ways. The information gives scientists solid data to check their climate models against.

The bones are at the Denver Museum of Nature and Science. Studies will continue for years.

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