Though many animals display cooperative behavior, human cooperation is distinct. Alan Alda hosts E.O. Wilson, Sarah Hrdy and other leading evolutionary biologists, anthropologists and humanitarians as they examine the origins and evolution of human cooperative behavior.

Drawing on a range of disciplines, this provocative program looked at how discoveries in areas like fundamental physics, anthropology, and genomics are influencing our understanding of uniquely human characteristics.

“Move fast and break things,” went the Silicon Valley rallying cry, and for a long time, we cheered along. Big Tech, in its infancy, spouted noble goals of bringing us …

Professor Witten is a leading light of superstring theory and the only physicist to have won the vaunted Fields Medal, mathematics’ highest honor. Known for advancing a number of novel approaches in mathematics and physics, Witten opened up new vistas in 1995 when he unified five seemingly competing superstring theories into M-theory, which seeks to unify Einstein’s general theory of relativity with quantum mechanics.

Astronomer Jill Tarter leads the charge to search for intelligent life on other planets by listening to clues from over 40 radio telescopes. Episode filmed live at the 2010 World …

Join Brian Greene and Britain’s Astronomer Royal Martin Rees as they discuss challenges and opportunities swirling around cosmology–the big bang, dark matter, dark energy, and black holes–and the future of …