Prehistoric American peoples coexisted with giant sloths and mastodons, new evidence suggests
New research from several sites is starting to suggest that people came to the Americas earlier — perhaps far earlier — than ...
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'Rising temperatures melted corpses out of the Antarctic permafrost': The rise of one of Earth's most iconic trees in an uncertain world
As the Atlantic grew wider, the ancestral population of all of today's oaks may have been straddling the continents of the ...