In this episode we hear about how sex makes female bees go blind, the cost of unnecessary medical procedures, how birds can fly over the Himalayas, an eLife author's trip to space and more.

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

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 using photographs to diagnose rare genetic disorders, an unexpected benefit of exercise, hybridizing fish species, Rett syndrome, and using gene drives to eradicate disease.

In this episode we hear about aging, artificial fingertips, ancient DNA, antibiotic resistance and dengue fever.