Clean Teeth, Healthy Heart - Naked Scientists NewsFLASH - 07.06.10 - a podcast by Dr Chris Smith

How often do you clean your teeth? In this week's NewsFlash, we find out why clean teeth might mean a healthy heart. Plus, how evidence for our meat earliest meat eating ancestors coincides with a growth in brain size, mongooses learning from their elders and why transplanting coral can save a reef.

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