Summary: This week, the latest from the UK's National Astronomy Meeting in St Andrews Scotland including what will be the last organism living on Earth when the end-of-life Sun swells, why space science projects are getting larger, and the amateur astronomer who uncovers supernovae. In the news, a replacement liver grown from stem cells, the bacterial fingerprint in your intestines, nuclear bombs help with forensics and the threat posed by H7N9. Plus, would you explode in space? We do the experiment to find out...
