Defrosting pathogens and super conductor super controversy

We've just finished the hottest month on record on earth, and melting permafrost and ice may release organisms that have not been active for millenia into the modern world. What does that mean for our ecosystems? Claire finds out on this week's show. Also Chris plugs into some super controversy surrounding claims of a new superconductor, which itself may well change the modern world... if it turns out to be true!