Published: 3:02pm, 10 Sep 2025Updated: 3:54pm, 10 Sep 2025
We have put together stories from our coverage on science from the past two weeks to help you stay informed. If you would like to see more of our reporting, please consider subscribing.
1. Harvard’s top mathematician Liu Jun leaves US for China
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.
2. China’s ‘silent sanction’ on US semiconductors creates a weapons generation gap
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.
3. In a first, US-China team turns plastic waste into petrol in 1 step

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.