Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Café s/n, Ribeirão Preto, SP 14040-903, Brazil Center for the Research and ...

NEW YORK (AP) — Researchers have uncovered a simple structure from the Stone Age that may be the oldest evidence yet of early humans building with wood. The construction is basic: a pair of ...