Evading Extinction

Meera Senthilingam

This week, we investigate the falling population numbers of the Giant Sable in Angola and find out how conservationists are trying to fight their extinction. We also hear how light pollution is affecting bird breeding habits, find a vital clue in the workings of anti-depressants and reveal a new insight into the moon's craters. Plus, we find out if olive oil really is healthier, in Question of the week!