Most of us negotiate in one of two ways: either you roll right over the other party, or you just roll over. But great negotiators refuse to believe that we have to choose between results and relationships. Sharpen your negotiation skills for both business and life with evidence and insights from a trio of negotiators who transformed their styles -- and one who pulled off one of the most consequential agreements in human history.

WorkLife with Adam Grant: The science of the deal

The science of the deal

Avoiding negotiation for fear of hurting relationships can cost an average of $750,000 over a career, highlighting the stakes.

A range offer in negotiations, like $60,000 to $65,000, signals flexibility and is likely to yield a counter within that range.

The Paris Agreement’s success hinged on understanding nations' interests, proving negotiation thrives on mutual benefits.