Researchers studying the play behavior in animals and humans. They are trying to answer big questions in a long overlooked field. Mother Nature doesn't do anything just for fun, so how and why did play evolve?
Air pollution is a major killer, even in places we think of as 'safe,' so scientists are using new technology to measure it and study its effects on our bodies.
In Laughing and Crying, we meet neuroscientists, psychology researchers and evolutionary biologists who are exploring every scientific angle of these bizarre and beautiful emotional behaviours.
