Crafty Caterpillars and Lost Fish - Naked Scientists NewsFLASH - 09.02.09 - a podcast by Dr Chris Smith

On this weeks NewsFlash, we discover the caterpillar that tricks it's ant hosts into treating it like royalty, find out why fish get lost in acidic seas and why the gravitational pull of tonnes of ice may lead to greater sea level rise than predicted. Plus, we explore the oldest evidence of complex life - a chemical signature in rocks up to 750 million years old.

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