The massive Toba volcanic eruption on the island of Sumatra about 74,000 Years Ago did not cause a six-year-long "volcanic winter" in East Africa and thereby cause the human population in the region to plummet, according to new University of Arizona-led research.
Microscopic plant remains, called phytoliths, from grasses, sedges, palms, forbs, and trees that lived near Lake Malawi
in East Africa about 74,000 years ago [Credit: Chad...
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