The Immortal Life of Henrietta Lacks

If a species is horrible enough, do we have the right to kill it forever? Seventy years ago, a nightmare parasite feasted on the live flesh of warm-blooded creatures in North America: the screwworm. That is, until a young scientist named Edward F. Knipling discovered a crucial sc ...  Show more

In this episode, we consider a creature we often don’t think much about—the snail. And not just snails, but their sex lives. Which, as it turns out, is epic. There is persuasion and subterfuge, spaghetti penises and co-copulation. And this very surprising habit—erm kink—of making ...  Show more

Jane Goodall transformed how we see the natural world and our place in it. In this tribute episode, Guy Kawasaki revisits their past conversations filled with humor, courage, and wisdom. Jane reflects on her early journey to Africa, the groundbreaking discoveries with chimpanz ...

The great primatologist and humanitarian, Jane Goodall, died on October 1, 2025, at the age of 91. It is a joy and a comfort to revisit our last broadcast of her 2020 conversation with Krista. Jane Goodall began her epic work studying chimpanzees in the Gombe forest without even ...  Show more

The DNA Doe Project had worked to solve the cases of unidentified decedents—also known as "Does." Through the use of investigative genetic genealogy, cases once though impossible to close are now being solved, and some of the volunteers behind this nonprofit speak to us about its ...  Show more

Scientists now agree that COVID spreads via airborne transmission. But during the early days of the disease, public health officials suggested that it mainly did so via close contact. The subsequent back-and-forth over how COVID spread brought science journalist Carl Zimmer into ...  Show more