Small Letters, Sorghum and Secrets in Caves - Naked Scientists NewsFLASH - 02.02.09 - a podcast by Dr Chris Smith

On this week's NewsFlash we find out how fingerprints help you feel fine detail, discover the smallest letters ever written and uncover the genetic secrets of Sorghum's success. Plus, how a new way to make LED's could slash household bills, the two million year old secrets hidden in a cave in South Africa, and how bees can help to defend fish farms from fungus.

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