Some days, it feels like the only thing we can agree on is that we can’t agree — on anything. Drawing on her background as a world debate champion, Julia Dhar offers three techniques to reshape the way we talk to each other so we can start disagreeing productively and finding common ground — over family dinners, during work meetings and in our national conversations.

Northrop Grumman’s Cygnus spacecraft is on its way to the International Space Station with about 7,400 pounds of cargo after launching at 4:01 a.m. EST Saturday from NASA’s Wallops Flight Facility on Virginia’s Eastern Shore.

Viruses have a bad reputation — but some of them could one day save your life, says biotech entrepreneur Alexander Belcredi. In this fascinating talk, he introduces us to phages, naturally-occurring viruses that hunt and kill harmful bacteria with deadly precision, and shows how these once-forgotten organisms could provide new hope against the growing threat of antibiotic-resistant superbugs.