The dinosaurs of our childhood have changed so much over the years. On this episode, science writer Brian Switek discussed his new book, My Beloved Brontosaurus.

The natural disasters that small islands face are regarded as the canary in a coal mine on the issue of global climate change. On this program, John Hay discussed the importance small island countries.

Who doesn't want to live a longer, healthier life? What can a laboratory worm, the nematode, teach us about longevity? On this episode, Professor Ted Anton joins us to discuss The Longevity Seekers.

The alimentary canal is a structure that most would rather not explore to deeply, metaphorically or literally. Yet, on this program, Mary Roach discussed her adventures through the alimentary canal.

We are constantly compelled to fit what we know, or think we know, about the past into some kind of narrative, which are sometimes wrong. On this episode, Dr. Marlene Zuk discusses her book, Paleofantasies.

Are social networks a good way to mobilize masses of people from around the globe for a common cause? On this program, Alex Rutherford talks about locating balloons through the DARPA Network Challenge using social networks.

Euclidean geometry seems fundamental to the way the world operates, so much so that we often take for granted its basic tenets. On this program, Dr. David Berlinski discussed his book, The King of Infinite Space: Euclid and His Elements.

Bioengineering is changing the way we think about the nature of biology. What do the advances in biotechnology mean for the future? On this program, Emily Anthes discussed bioengineering and her book, Frankensteins Cat.

Humans have wanted to know the weather tomorrow for as long as there have been todays. On this program, Dr. Ian Roulstone discussed Invisible in the Storm: The Role of Mathematics in Understanding Weather.

Americans eat too much. They drink too much. They just about do everything in excess, except sleep. On this program, Prof. Kenneth Wright discussed how lack of sleep influences our metabolism and its effect on weight gain.