Latest Christopher Bernhardt Stories
Using Fossil Pollen to Augment Historical Records Ancient pollen and charcoal preserved in deeply buried sediments in Egypt's Nile Delta document the region's ancient droughts and fires, including a huge drought 4,200 years ago associated with the demise of Egypt's Old Kingdom, the era known as the pyramid-building time. "Humans have a long history of having to deal with climate change," said Christopher Bernhardt, a researcher with the U.S. Geological Survey. "Along with other...
- Hence Running along or over a surface, as if in the act of licking; flowing over or along; lapping or bathing; softly bright; gleaming.