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Wonders of Physics


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Ultraviolet radiation in Singapore hit highest ‘extreme’ level of 15 twice in a week, Environment News & Top Stories – The Straits Times

http://www.straitstimes.com/singapore/environment/ultraviolet-radiation-in-singapore-hit-highest-extreme-level-of-15-twice-in?utm_campaign=Echobox&utm_medium=Social&utm_source=Facebook&xtor=CS1-10

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