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In the UK, rules around attendance at schools after a covid outbreak are changing, but the country still hasn’t decided whether or not to vaccinate children. The team finds out what the hold up is, especially given some countries have already taken the leap. It’s been 25 years since the cloning of Dolly the sheep, so the team looks at Dolly’s legacy, exploring the many advancements and discoveries that have come as a result of this marvel of biological science. They then discuss the small matter of how to save the planet as former UK chief scientist David King, founder of the newly formed Climate Crisis Advisory Group, sets out his mission. In the race to create a breakthrough quantum computer, China is in the lead - the team explores a leapfrogging event which has seen the country achieve quantum advantage, creating the fastest computer on Earth. And they discuss NASA’s exciting plans to create a spacecraft powered by solar sails. On the pod are Rowan Hooper, Chelsea Whyte, Matt Sparks and Clare Wilson. To read about these stories and much more, subscribe at newscientist.com/podcasts.