Babies start laughing before they can speak, and this delicious sound just may serve as a powerful source of human communication and connection, says psychology researcher Caspar Addyman.

It’s because infants understand what other humans are drawn to, and they copy their behavior and learn from it. Even as adults, our actions continue to be driven — often unconsciously — by others.

Think parents should be able to select their children’s talents and personalities? Or want to run and hide in the woods at the thought of it? Whatever your opinion, it is precisely the kind of question that Julian Savulescu wants you to take seriously.

Jane Chen describes the years-long design and development process of the Embrace baby warmer, one way to counter hypothermia in newborns.