Science Podcasts

Planet Earth episode

Tue, 16th Nov 2010

Leeches, earthquakes and weird sea-life

A leech swollen with blood (c) Maderibeyza @ wikipedia

It seems that hardly a week goes by without a major earthquake striking somewhere in the world, which may be why many people have been asking scientists at the British Geological Survey if earthquakes are getting more frequent.  Richard Hollingham talks to expert seismologist Brian Baptie from BGS, who uses clever musical software to give us the answer.  We also hear from Plymouth Marine Laboratory scientists on a boat off the coast of Cornwall in the UK. They're sampling seawater and sediment from the seafloor to try to understand how marine ecosystems change from one month to the next, coming across many weird and wonderful creatures in the process.  Finally we get an action-packed update from Cambridge scientist Tim Cockerill, who's in northern Borneo investigating the effects of palm plantations on the biodiversity of rainforest insects. Sounds like fun? Not until you hear about the leeches.

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