In the news podcast this week, the first human death from bird flu in the US has made virologists vigilant about its potential threat. Also, we learn about the potentially billions of tonnes of sequestered hydrogen on Earth that could be used for clean energy, and hear of the promising results in animals for new drugs for treatment resistant prostate cancer. Then, the unintended cognitive consequences of lead mining in the Roman empire, and question of the week takes us back to a time when all the continents were clumped together... Like this podcast? Please help us by supporting the Naked Scientists