Early Humans and Fighting Pneumonia

20 April 2010
Presented by Meera Senthilingam.

In this week's news we find outabout a new species of early human, active volcanoes on Venus and a new form of nanowire. We also hear about a new vaccine which could help fight pneumonia in HIV-infected adults and we investigate if worms drown in the rain, in Question of the week!

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