By creating tech that lets dolphins play computer games and request belly rubs, we can understand their intelligence and perhaps even get a preview of life on other planets, says marine mammal researcher Diana Reiss.

A synthetic biologist has created artificial cells that can “talk” to natural cells — but are they really alive?

Neuroscientist Uri Hasson takes us inside his lab’s fascinating research — and our heads — to show the meeting of the minds that occurs every time we talk to each other.

As a radio host, Celeste Headlee has engaged in more than her fair share of discussions, and she has thought a lot about ways to bring out the best in a conversational counterpart. One thing she likes to say — a good conversation is like a game of catch. Huh? She explains.

The “Great Thanksgiving Listen” aims to capture the stories of a generation of elders over one weekend. But the questions you can ask are useful every day.

Writer Suzanne Talhouk on why speaking your mother tongue is about more than mere communication.

The British neuroscientist Adrian Owen has developed a way to connect with patients in a vegetative state. It’s amazing work with complicated implications.