Robert Trivers, Eccentric Scientist Who Probed Human Nature, Dies at 83

Robert Trivers, a visionary, eccentric and volatile evolutionary biologist who explored the genetic reasons humans cooperate, compete and deceive each other, drawing comparisons to Charles Darwin in a career filled with intellectual highs and behavioral lows, died on March 12, in Mount Vernon, N.Y. He was 83. His death, at his daughter Natasha Trivers Howard’s []