The picture of human evolution has been upended, and the DNA found in scoops of ancient soil or ice is allowing researchers to reconstruct entire lost worlds. (sciencemag.org)
With this compelling demonstration of using ancient soil samples as proxies for regional climate in Asia, Caves now plans to extend his investigations elsewhere on the globe. (sciencedaily.com)
Now scientists have pinpointed a new reason to be concerned about ancient soils coming out of the freezer for the first time in millennia: mercury. (earther.com)