In this episode we hear about parasitic worms, dog tumours, epilepsy, DNA sequencing classes and social behaviour in mice.

Hear about the sea urchin immune system, symbiotic bacteria in squid, anxiety and a training course to promote collaboration between scientists.

In this episode, we hear about how flies taste salt, animal personalities, fossil flowers and flying squirrels, and the impact of climate change on seal pups.

In this episode we hear about heat-seeking behaviour in mosquitos, mass spawning in coral reefs, social organization in ants, fear in rats and tissue regeneration in newts.

In this episode we hear about how chimpanzees use conceptual metaphors, hyperactive sperm, the use of bacteria to estimate the time of death, stem cells and smoking, and a new type of bacteria.