Tiny plant fossils a window into Earth's ancient landscape
Seattle WA (SPX) Jan 20, 2015 - Minuscule, fossilized pieces of plants could tell a detailed story of what the Earth looked like 50 million years ago. An international team led by the University of Washington has discovered a way to determine the tree cover and density of trees, shrubs and bushes in locations over time based on clues in the cells of plant fossils preserved in rocks and soil. Tree density directly affects ... more
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