Federal and state officials have completed the first phase of the planning process for Interstate 11, but the path the 280-mile corridor would take through Pima County is still uncertain. The Federal ...
Physicist Richard Feynman turned a lunch dilemma into a math problem. Researchers finally cracked his notes and found people ...
Scientists have uncovered a surprising new picture of human origins that challenges the long-held idea of a single ancestral population in Africa. By analyzing genetic data from diverse modern African ...
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