In this episode of the Physics World Weekly podcast we chat about new research that shows that global warming is not just another natural variation in Earth’s climate. We also meet a Russian planetary scientist who is eager for his country to return to the Moon and a physicist who co-founded a company that makes diamonds.

We also reveal whether our readers would sacrifice flying to a distant conference to reduce their carbon footprint and learn how to play quantum tic-tac-toe (or quantum noughts and crosses).

• Image courtesy: CC0 Pixabay/SD-Pictures