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 why we always have space for dessert, how collecting seeds from large areas could help restoration projects, gut bacteria, the placebo effect and toxoplasmosis.

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 fossil footprints, taking medical research to the clinic, sleepy flies, team-working ants and diversity in science.

In this episode we hear about how flatworms regenerate, the evolution of photosynthesis, social interactions between mice, the properties of undead cells, and how steroids and genes interact.

In this episode, we hear about colour vision in bats, frog vocal systems, ageing, problematic cell lines and how larger neurons could lead to a higher IQ.

In this episode we hear about influenza pandemics, eating too much, cannabis and the brain, HIV cure research, and the evolution of sea squirts.