See how microscopic organisms that most people have never seen are useful. Meet Dr. Brian Huber, paleobiologist at the National Museum of Natural History. Brian specializes on tiny organisms called foraminifera (forams) that are great indicators of global changes. Take a journey with Brian into the stories forams tell about conditions on Earth millions of years ago. Watch how fossilized forams are collected from deep oceans and Antarctic ice. Visit an icy place that used to be warm enough for marine reptiles. Consider what Brian's findings suggest for future conditions on Earth, including global climate.
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