Roughly 56 million years ago, the Paleocene-Eocene Thermal Maximum took place and raised global temperatures 5-8 degrees centigrade over 10,000 years. These warm period lasted 100,000 years and caused a number of changes in the our planet. Smithsonian research scientist Dr. Scott Wing, Curator of...

Meet intern Leah Rand and listen to her experience at a Smithsonian intern in the department of paleobotany at the National Museum of Natural History.