Page Header

Listen to: A Pill to Prevent Cholera | Studying Biodiversity

Publication Date

July 19, 2007

Your selection will play automatically

Player Controls

 
0:00:00

Audio Content Description

Today we'll look at promising research into a new type of vaccine that could give us a pill to prevent cholera - and maybe a number of other diseases. We'll also look at the concept of biodiversity: how important is it to have a variety of species in an ecosystem?