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A girl with cholera

Unprecedented cholera outbreak tears through war-torn Yemen

23 May 2017

Cholera has killed 332 people and left more than 32,000 ill over the past four weeks, spreading faster than any previous known outbreak in the country
Bacterial image

Bacteria engineered to produce living, full-colour photographs

22 May 2017

Gut bugs have been modified to turn red, green or blue when bathed in light of the corresponding colour so they create bacterial photocopies

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