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Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for
Levallois points and flakes from Kapthurin, Kenya date to between 200,000 and 280,000 years ago.
Cranial capacity has increased approximately fourfold over the last 3.5 million years of hominin evo
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ...