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 Parkinson's Disease, depression, chickenpox, bats, beetles, and how small prey can escape larger predators.

In this episode, we hear about self-esteem, a new genus of extinct horse, the future of biological engineering, mosquito trackers, and sperm competition in salmon.

In this episode, we hear about the emerging field of palaeoshellomics, wasp eggs that keep their food fresh, a monkey with a missing visual cortex, new biological methods inspired by astronomy and how to mix a family with a research career.

In this episode, we hear about a 99 million-year-old beetle, the consequences of early-life inflammation, malaria's DNA passport, redesigning images in biology and Mike Eisen's vision for science.

In this episode we hear about epilepsy, the sushi-belt model of transport in neurons, a mother in ancient Troy, the Amazon rainforest and bias in scientific reporting.

In this episode we hear about TB, HIV, social behaviour in ants, genetics in baboons and a surprising twist to the handshake.