From Mexico’s tiny satellites on Chinese rocket to a plastics-to-petrol first, here are some highlights from SCMP’s recent science reporting

Liu Jun, one of the world’s leading statisticians and a long-time professor at Harvard, has returned to China full-time, accepting a prestigious chair at Tsinghua University last month.

In addition to the spectacle of last week’s military parade in Tiananmen Square, with its rows of never-before-seen weapons and equipment, was a less visible but highly consequential shift.

Scientists in the US and China say they have developed a one-step method to safely turn toxic mixed plastic waste into petrol, with more than 95 per cent efficiency at room temperature.

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