Doctors in the US have treated a coronavirus patient with a drug developed for Ebola. That drug had never been tested on people so its use here seems an extreme move. We look at why this kind of drug developed for one virus might work on another. It’s all down to the genetic material at the centre of the virus. That raises safety concerns as human cells contain similar material.East Africa is experiencing a plague of locusts and bizarrely it’s linked to the Australian wildfires. A weather pattern across the Indian Ocean, made more extreme by climate change, links the rains in Africa with the heatwave in Australia.New features of The Northern Lights have been discovered thanks to an analysis of photos on Facebook by physicists in Finland. Amateur sky watchers pictures reveal previously unnoticed forms in the light display.And we look at the search for properties of sub atomic particles, why a small device might be better than the enormous ones used so far.(Image: Scientists are at work as they try to find an effective treatment against the new SARS-like coronavirus,
Credit: AFP/Getty Images)Presenter: Roland Pease
Producer: Julian Siddle

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