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Backyard_farm-44214. Coral could hold key to sunscreen pill. 31 August 2011Last updated at 00:13 By Michelle Roberts Health reporter, BBC News The coral was harvested from the Great Barrier Reef Scientists hope to harness coral's natural defence against the sun's harmful ultraviolet rays to make a sunscreen pill for humans.

Coral could hold key to sunscreen pill

The King's College London team visited Australia's Great Barrier Reef to uncover the genetic and biochemical processes behind coral's innate gift. By studying a few samples of the endangered Acropora coral they believe they can synthetically replicate in the lab the key compounds responsible. Microchip implant monitors tumour growth. 31 August 2011Last updated at 10:36 The sensor chip is implanted close to a tumour Researchers in Germany have developed a microchip sensor that can be implanted close to a tumour to monitor its growth.

Microchip implant monitors tumour growth