Pollen under the microscope: pollen preserved in the sediment allows scientists to travel back in time to reveal the past ecosystems and climate dynamics from hundreds to thousands of years ago.
Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results