How families have evolved

A short introduction to this album. 

The comparative method can be used to investigate how culture relates to environment. The reproductive pattern of human females is a particularly interesting puzzle for evolutionary biologists. 

The current decline in family size seems to contradict the Darwinian model of inclusive fitness but it can be explained as a tradeoff between the cost of bringing up children and the number of children in a family. 

Charles Darwin will be forever known as the man who came up with the brilliant, and magnificent, idea that life evolved on this planet from a common ancestor and that the driver, or the mechanism behind this, is natural selection. 

The weekend. Social Security. Health insurance. What do these things have in common? They all exist thanks to the advocacy of labor unions. In this episode of TED Talks Daily, another podcast from the TED Audio Collective, political economist Margaret Levi explains how these orga ... Show More

What does it mean to be civil with others – and why does this value often feel at risk? Alexandra Hudson, author of The Soul of Civility: Timeless Principles to Heal Society and Ourselves, says that civility is very different from being polite – but that it might be the key to bu ... Show More

Drawing on her research into the science of play, evolutionary biologist Carole K. Hooven delves into how testosterone impacts the body and brain, interacting with culture to create differences in human behavior — starting with why boys tend to prefer rougher play than girls. Hos ... Show More

Jane Goodall hasn't found the missing link, but she's come closer than nearly anyone else. The primatologist says the only real difference between humans and chimps is our sophisticated language. She urges us to start using it to change the world.TED Talks Daily is nominated for ... Show More

durée : 00:03:32 - Le Pourquoi du comment : philo - par : Frédéric Worms - Comment se fait-il que nous ayons un problème social, moral et politique avec la notion de diversité ? 

If you've taken part in a religious service, have you ever stopped to think about how it all came to be? How did people become believers? Where did the rituals come from? And most of all, what purpose does it all serve? This week, we explore these questions with psychologist Azim ... Show More

Languages drift, adapt and evolve much like living species. In this wide-ranging conversation, evolutionary biologist Richard Dawkins and linguist John McWhorter trace the parallels between biology and speech, from random mutations to cultural selection. They show how both genes ... Show More

What do Karl Marx, Sigmund Freud, and Malcolm Gladwell have in common? Are interesting theories more significant than true ones? And what has been keeping Angela up at night? Plus: an important announcement about the show.  SOURCES:Charles Darwin, 19th-century naturalist and biol ... Show More