The guys welcome back Bill to discuss electricity, how gut bacteria might be taking your meds before you can, and why two hours of outdoor time a week in really good for you (or maybe not).

The guys welcome back "I Call BS" allstar, Dr Troy to discuss terrifying prions (again), why your "Restless Leg Syndrome" may be related to your farts, and how monkeys get drunk.

The guys welcome back Dr Troy to discuss the origins of The Replication Crisis, a new genetic study that explains the origins of ancient peoples, and why "DNA Origami" is more than just a sweet band name.

The guys welcome back Dr Eva to discuss how best to torture mole rats, how your liver can see light, and why Damian is officially banned from most Bed, Bath, and Beyond locations.

The guys welcome the long awaited return of Dr Eva to discuss the origins of Mt Everest, the most interesting new discovery about autism that no-one is talking about, and how a bunch of supernovae may have accidentally caused human evolution.

The guys welcome back Dr Troy to discuss why the Measles vaccine is even better than you thought, why Finland isn't made up, and why the week's most interesting science article involves earwax.

The guys welcome back Dr Troy to discuss the most terrifying thing according to smart people, why only the best rappers have diamond anvils, and how evil geniuses would destroy the world.

The guys welcome back Bill to discuss really old Nordic DNA, how to keep a flu virus at bay, and how the same animal evolved into existence twice, hundreds of thousands of years apart.

The guys welcome back Bill to discuss why serial killers may not exist in 20 years, why you may actually want to get a dangerous tropical virus, and why we may have an exciting (not so) new weapon in the fight against antibiotic resistance.

Thanks to an audio snafu, this episode is a one-off review of a huge mistake by IFLScience and Robert Timothy answers the fan questions: "What three rules would you make to improve the world"