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Some (microbes) like it hot

Scalding volcanic springs are home to some remarkable microorganisms, and biotechnology is now finding uses for these microscopic survivors.

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How to understand a COVID-19 test result

A negative result from a medical test means you definitely don’t have the condition, right? Wrong: it depends on the false negative rate of the test and on your individual risk.

   

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Oxyntomodulin: a new therapy for obesity?

Katie Wynne and Steve Bloom from Imperial College London, UK, describe their work on a hormone that could tackle the causes of obesity.

         

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Look out! The physics of road safety

Use equations of motion to work out what happened in a car crash – and learn some valuable life lessons.

     

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Organ-on-chip systems and the 3Rs

Organ-on-chip technology can simulate key properties of human physiology. Advanced systems could even one day be used to replace animals in medical research.


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