China is in the middle of this huge wave of Covid, pumped by a U-turn. The global public health community is really spooked by the porosity of data now coming out of China. In the UK, we're going to start asking people arriving from China whether they want to give a swab so that that can then be checked for interesting new variants.
Last year saw several major science breakthroughs – from the first time a nuclear fusion experiment produced more energy than it used, to Nasa smashing a spacecraft into an asteroid in a mission that demonstrated the possibility of redirecting any space rocks heading our way. So what will 2023 bring? Ian Sample and science correspondent Hannah Devlin discuss the major stories they are expecting to hit the headlines in 2023, and their science predictions for the year ahead.. Help support our independent journalism at
theguardian.com/sciencepod