The UK harbours the leading expertise in marine renewables, but water itself remains to be a major contributor to the race for net zero. Why are these technologies lagging behind the other more favourable renewable sources and what does the next decade have in store? Also, news of a novel way to find new antibiotics, the Mars probe being forced into retirement, and an insight into why teenage girls are more likely to suffer from depression than their male peers... Like this podcast? Please help us by supporting the Naked Scientists