China’s Tianwen-1 spacecraft is set to become the second probe to enter Mars’ orbit in 24 hours. It's so far travelled 288 million miles to reach the planet, with the mission’s aim to explore for underground water and evidence of possible ancient life. Plus, astronauts of the future may be tucking into food from 3D printers, the WHO says the virus that causes Covid-19 isn’t from a lab and why scientists want to cull Pablo Escobar’s hippos.

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