A year after the first SARS-Cov2 sequences were received in the vaccine labs, Dr Alex Lathbridge and guests look into ongoing development and what next year's booster shots might be like. Prof Robin Shattock's team at Imperial College are still working on their vaccine technology - called 'Self Amplifying RNA' or saRNA. A little bit behind their well financed corporate colleagues, this week they announced that instead of pressing ahead with a phase III trial, they will instead look to developing possible boosters and alternative targets just in case more and more serious mutations happen. But as Prof Anna Blakney explains from her lab at University of British Columbia, the possibilities of saRNA don't stop with coronaviruses. Researchers in the journal PNAS report this week a new theory as to when and where dogs were first domesticated by humans, and suggest that they accompanied the first humans across the Bering straight into America. Inside Science's Geoff Marsh has a sniff around. And Dr Dean D'Souza from Anglia Ruskin University describes in Science Advances work he has done looking at certain kinds of development in children who grow up in bilingual households. His work suggests a slightly faster and keener observation of detailed changes in visual cues, and that this seems to be a trait that survives into adulthood. Presented by Alex Lathbridge Produced by Alex Mansfield Made in Association with The Open University