In this episode from the Cautionary Tales podcast, Harford teams up with actor Helena Bonham Carter, a distant relative of Florence Nightingale, to tell the story of how the ‘“Lady with the Lamp” revolutionized public health with a pie chart. Nightingale was a statistician as well as a nurse, and it was her use of data graphics that led hospitals to introduce hygiene measures that we now take for granted. Her charts convinced the establishment that deaths due to filth and poor sanitation could be averted, saving countless lives. But did Nightingale also open Pandora’s Box by showing that graphs persuade, whether or not they depict reality?

Air-Borne: the Hidden History of the Air We Breathe by Carl Zimmer charts the history of the field of aerobiology: the science dealing with airborne microorganisms. In this episode, we discover the story of two lost pioneers of the 1930s, physician and self-taught epidemiologist Mildred Weeks Wells and her husband sanitary engineer William Firth Wells, who proved that infectious diseases could be spread long distances through the air. But the pair had a reputation as outsiders and they failed to convince the scientific establishment, who ignored their findings for decades. What the pair figured out could have saved many lives from tuberculosis, SARS, COVID, and other airborne diseases. Mildred and her husband’s contributions have been all but erased from history — until now.

Today, we take it for granted that you can buy a home pregnancy test at the pharmacy. Before the end of the 1970s, this was not the case. Then along came Margaret Crane, a young designer working for a pharmaceutical company. Looking at the rows of pregnancy tests in the lab one day in 1965, she thought, “Well, women could do that at home!” But Crane faced an uphill battle to convince the pharmaceutical companies, the medical community, and conservative social leaders that at-home pregnancy testing was safe and necessary.

This podcast first aired in 2014, when Margaret Crane’s role in the development of the home pregnancy test was eventually recognized. Almost 10 years later, Crane’s experience remains relevant as women continue to fight for their reproductive rights. Making Contact is a radio show and podcast from Frequencies of Change Media.

For a full list of the episode credits, go to: Buried History: The Feminist Birth of the Home Pregnancy Test.