From 'Junk' Genes to mRNA: The Persistence of Women in Science

Women in science who changed the world · 4:56 · Video: IFLScience · Watch at the source

In short: Scientific history is often framed by the names on the plaques, but the reality is frequently one of systemic resistance. From being demoted in academia to navigating a male-dominated physics landscape, these women didn't just discover new truths; they dismantled the barriers to finding them.

The path to scientific recognition is rarely a straight line, especially for women who have historically faced exclusion. Rosalyn Yalow, for instance, pursued physics during an era when her gender was a significant impediment to success. Alongside Solomon Berson, she developed radioimmunoassay, a foundational method for measuring substance concentrations in the blood. Similarly, Katalin Karikó faced demotions and was eventually forced out of academia due to resistance to her work. Despite these setbacks, she persisted in harnessing mRNA, a breakthrough that eventually enabled the production of vaccines for millions of people during the COVID-19 pandemic.

Innovation often stems from looking where others refuse to see. Mary Brunkow redefined immune system functions by investigating an obscure gene that other scientists had dismissed as 'junk.' Her work, which built upon a discovery from roughly 80 years ago, eventually led to a Nobel Prize in 2025. Brunkow notably chose to move her research from traditional academia to a biotech startup, illustrating a shift in how high-level science is conducted today. By researching ancient Chinese medical records from the Han, Qing, and Zhou Dynasties, Tu Youyou won the 2015 Nobel Prize for discovering artemisinin, a life-saving malaria treatment for millions.

These stories highlight a recurring theme of resilience against institutional friction. Carolyn Bertozzi, who faced ridicule and exclusion as a student in the 1980s, used those experiences to intentionally build an inclusive laboratory culture. Her discovery of bioorthogonal reactions is now a global standard for tracking biological processes and improving cancer medicine. Whether through the study of ancient texts, the persistence of 'junk' DNA, or the development of mRNA, these scientists transformed global health by navigating environments that were often not designed for their success.

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