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Life

Perfection is a myth, show 50,000 bacterial generations

The longest-running evolutionary experiment ever carried out in a lab shows that even in a stable environment, perfect fitness is never achieved

Earth

Little bugs on the prairie: the key to happy grassland

Life

Reprogrammed bacterium speaks new language of life

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Cosy quilts made of killer superbugs

Life

DNA-grabbing bacteria hint at early phase of evolution

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New UK banknotes could provide cosy home for bugs

Life

Gut bacteria vital in evolution of new animal species

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Fungus foray: Which London tube line is mouldiest?

Environment

Designing for microscopic life in the great indoors

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WHO to decide whether MERS is global health emergency

A meeting on the threat from the MERS coronavirus has been called under a procedure used only once before 鈥� for the swine flu pandemic in 2009

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Ethnic background influences immune response to TB

Earth

Plastisphere microbes go to sea on flotsam fragments

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Saudis say Dutch patent on MERS virus hampers research

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Thriving fungi at home on a human hair