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Science In Action: New Covid vaccine

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28/01/2021 GMT

New Covid vaccine

BBC World Service - Science In Action, New Covid vaccine

Researchers at Imperial College have been working on a strategy that can make RNA vaccines stretch further. Anna Blakely explains how the new approach works and why RNA vaccines are adaptable to a changing disease.
In January 2019 a dam collapsed in Brazil, spilling 10 million cubic metres of red sludge down nearby rivers, claiming the lives of at least 259 people. An engineering report into the collapse looked at data from safety sensors around the site, and said they’d not revealed any weakening of the dam prior to the failure. But a new study using data from Earth observing satellites has found signs of subtle movement starting weeks earlier. Stephen Grebby of Nottingham University and Roland Pease discuss this finding. 
An international collaboration led by Kew Gardens has just set out a list of ten golden rules for maintaining and restoring forests.  The main author, Kate Hardwick talks about why the rules are necessary and why it isn’t as simple as planting any old trees.
There’s been a lot of debate about whether being bilingual is good for the brain.  Does knowing more than one language take up precious capacity that could be used for better things? Or does it sharpen it, all the better to take on more challenges? Dean d’Souza of Anglia Ruskin University has been addressing this question by comparing the behaviour of infants brought up in monolingual and multilingual homes. 


(Image: Getty Images)
 

Presenter: Roland Pease
Producer: Deborah Cohen

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