# Tyrone Hayes on The No Agenda Show

Tyrone Hayes comes up in 4 chapters across 4 episodes of The No Agenda Show, from April 2015 to December 2025.

- **Chapters:** 4
- **Episodes:** 4
- **Discussed:** April 2015 – December 2025
- **Related topics:** [Atrazine](https://search.noagendashow.net/topic/atrazine.md), [Frogs](https://search.noagendashow.net/topic/frogs.md), [Endocrine Disruptors](https://search.noagendashow.net/topic/endocrine-disruptors.md), [Herbicide](https://search.noagendashow.net/topic/herbicide.md), [Syngenta](https://search.noagendashow.net/topic/syngenta.md), [Berkeley](https://search.noagendashow.net/topic/berkeley.md), [Epa](https://search.noagendashow.net/topic/epa.md), [Feminization](https://search.noagendashow.net/topic/feminization.md), [Pesticide](https://search.noagendashow.net/topic/pesticide.md), [Rfk Jr](https://search.noagendashow.net/topic/rfk-jr.md)

## Chapters 1–4 of 4

### Atrazine Pesticide, Gender Bending Frogs

- **Episode:** [1824: Battle Rhythm](https://search.noagendashow.net/episode/1824-battle-rhythm.md)
- **Published:** 2025-12-11
- **Time:** 2:31:59–2:35:45
- **Transcript:** https://search.noagendashow.net/episode/1824-battle-rhythm/chapter/atrazine-pesticide-gender-bending-frogs.md

RFK Jr. highlighted the dangers of Atrazine, the second most used pesticide in the U.S., which is banned in Europe. He cited research by Berkeley scientist Tyrone Hayes showing that Atrazine exposure in water can turn male frogs into females or cause them to exhibit homosexual behavior. The hosts play a decade-old clip of Hayes discussing the chemical's role as an endocrine disruptor.

Keywords: [atrazine](https://search.noagendashow.net/topic/atrazine.md), [pesticide](https://search.noagendashow.net/topic/pesticide.md), [rfk jr](https://search.noagendashow.net/topic/rfk-jr.md), [tyrone hayes](https://search.noagendashow.net/topic/tyrone-hayes.md), [berkeley](https://search.noagendashow.net/topic/berkeley.md), [endocrine disruptors](https://search.noagendashow.net/topic/endocrine-disruptors.md)

### Tyrone Hayes, Syngenta Atrazine Controversy

- **Episode:** [891: Bug Juice](https://search.noagendashow.net/episode/891-bug-juice.md)
- **Published:** 2017-01-01
- **Time:** 1:56:42–2:02:34
- **Transcript:** https://search.noagendashow.net/episode/891-bug-juice/chapter/tyrone-hayes-syngenta-atrazine-controversy.md

Professor Tyrone Hayes discovered that the popular herbicide Atrazine causes sexual abnormalities in frogs, including turning males into females. His former employer, Syngenta, allegedly engaged in a long-term campaign to discredit his research and prevent the EPA from banning the chemical.

Keywords: [tyrone hayes](https://search.noagendashow.net/topic/tyrone-hayes.md), [syngenta](https://search.noagendashow.net/topic/syngenta.md), [atrazine](https://search.noagendashow.net/topic/atrazine.md), [herbicide](https://search.noagendashow.net/topic/herbicide.md), [frogs](https://search.noagendashow.net/topic/frogs.md)

### Atrazine Chemical Exposure and Environmental Feminization

- **Episode:** [890: Factivist](https://search.noagendashow.net/episode/890-factivist.md)
- **Published:** 2016-12-29
- **Time:** 1:48:49–1:56:32
- **Transcript:** https://search.noagendashow.net/episode/890-factivist/chapter/atrazine-chemical-exposure-and-environmental-feminization.md

The discussion shifts to the environmental impact of the chemical Atrazine. Referencing the work of scientist Tyrone Hayes, the hosts discuss how the herbicide has been shown to turn male frogs into females. They speculate on the potential feminizing effects of such chemicals on the human population and criticize the EPA for failing to regulate these toxins effectively.

Keywords: [atrazine](https://search.noagendashow.net/topic/atrazine.md), [epa](https://search.noagendashow.net/topic/epa.md), [herbicide](https://search.noagendashow.net/topic/herbicide.md), [feminization](https://search.noagendashow.net/topic/feminization.md), [frogs](https://search.noagendashow.net/topic/frogs.md), [tyrone hayes](https://search.noagendashow.net/topic/tyrone-hayes.md)

### Atrazine Chemical Effects and Gender Anomalies

- **Episode:** [716: The Portal](https://search.noagendashow.net/episode/716-the-portal.md)
- **Published:** 2015-04-26
- **Time:** 1:46:23–1:51:16
- **Transcript:** https://search.noagendashow.net/episode/716-the-portal/chapter/atrazine-chemical-effects-and-gender-anomalies.md

Research by UC Berkeley professor Tyrone Hayes found that the weed killer Atrazine causes male frogs to develop female characteristics, including the production of eggs. The chemical, widely used on corn crops and golf courses, is identified as a potent endocrine disruptor. The segment discusses the alleged efforts by the manufacturer, Novartis (now Syngenta), to discredit Hayes and suppress his findings.

Keywords: [atrazine](https://search.noagendashow.net/topic/atrazine.md), [syngenta](https://search.noagendashow.net/topic/syngenta.md), [tyrone hayes](https://search.noagendashow.net/topic/tyrone-hayes.md), [endocrine disruptors](https://search.noagendashow.net/topic/endocrine-disruptors.md), [frogs](https://search.noagendashow.net/topic/frogs.md)

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