Science never rests and this week we have quite a selection of news. It looks like the sun’s magnetic field will flip earlier than expected, the moon is 40 million years older than anyone thought, a group of geologists have found that Earth’s core is leaking, we’ll have a look at the tiniest particle accelerator ever, why airline pricing is such a mess, hear what the International energy agency has to say about the condition of our electric grids, how physics improves protein folding predictions, the most water-repellent surface ever, and of course, the telephone will ring.

This episode comes with a quiz which you can take here.