A pill to prevent sunburn
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In 2011, British researchers who analysed coral samples from the Great Barrier Reef made a remarkable discovery. Algae living within the coral were found to produce a special compound that was transported to the coral, then modified to protect both the algae and the coral from the sun's ultraviolet (UV) rays. Not only that, but fish feeding on the coral were also found to benefit, so it was clearly passed up the food chain.
After establishing how this compound was created and passed on, it was biosynthetically developed in a laboratory, creating a sunscreen for human use. Following tests conducted on skin samples, this is now available in tablet form and provides sun protection for the whole body.
Further research on this compound is underway, as it has the potential to create sun-tolerant plants that could boost world food supplies. Genetically engineering food crops to use the coral's biochemical pathways could make it possible to grow temperate crops, such as wheat and potatoes, at high yields in the tropics.*
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