Fernando Pages builds homes that are affordable and green without the need for subsidies. Pages explains why green building is really advanced building, and how affordable and green go together.
Hear neuroscientist Greg Berns talk how people are wired to cope with pain - or the threat of it and how the human brain makes painful financial decisions.
Biologist Robert Waide talks about the dangers of putting too much stress on our ecosystems, and the importance of changing our behavior before it's too late.
Are we women more likely to date an attractive, smart, creative guy or an attractive-but-dumb guy who can't strum a guitar and has never even attempted to write bad poetry?
Population scientist Lori Hunter talks about some of the broad impacts of the HIV epidemic in South Africa, including a possibly unsustainable reliance on local resources.