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A plastic-degrading enzyme and an engineered bacterial strain have just been launched into space with an important mission: to convert waste plastics to upcycled materials during spaceflight.

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Sewage pollution in the Thames has been a problem for centuries. A new art installation at Science Gallery London explores the history, engineering, geography and science of human waste in the river.

According to the Food and Agriculture Organization of the United Nations (FAO), 13.2 per cent of food is lost before it reaches retail, representing an estimated USD 400 billion in losses. A further ...