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Science In Action: Perseverance approaches Mars

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Mars-Perseverence-CROP.jpg

11/02/2021 GMT

Perseverance approaches Mars

BBC World Service - Science In Action, Perseverance approaches Mars

On 18th February the Perseverance rover should land on Mars. Katie Stack-Morgan of NASA’s Jet Propulsion Lab tells Roland Pease about the technological advances that mean that the spacecraft should be able to land in Jezero Crater. Imperial College geologist Sanjeev Gupta discusses what this crater can reveal about the history of life on the red planet. 

After months of negotiations, and weeks of work on the ground, a team brought together by the World Health Organisation has just concluded its first attempts to find out the origins of SARS-Cov2 in Wuhan.  Peter Daszak, who has worked closely with Chinese virologists in the past, briefed Roland Pease on what had been discovered. 

The South African government has announced that it will not be rolling out the Astra Zeneca Covid vaccine as it appears it is not very effective against the dominant strain in the country. Helen Rees, of Witwatersrand University and a member of South Africa’s Health Products Regulatory Authority, explains that the ‘ban’ is an overstatement.

At least 35 people died in a flood disaster in the Himalayan state of Uttarakhand in India on February 6th. The details are still unclear, but the trigger seems to be associated with a glacier overhanging an upstream lake in the steep valley. Rupert Stuart-Smith of Oxford University, who has just published an analysis of a glacier melting disaster in waiting in the Andes, talks about the impacts of climate change on the stability of mountain glaciers.  


(Image: An illustration of NASA’s Perseverance rover landing on Mars. 
Credit NASA/JPL-Caltech)

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