# Why were scientists so obsessed with these frogs?

- Institution: TED
- Department: TED-Ed
- Speaker: Carly Anne York
- Year: 2023
- Level: For everyone
- Language: English
- Subjects: Biology, Medicine and health, Teaching and learning
- Source: [TED](https://www.ted.com/talks/carly_anne_york_why_were_scientists_so_obsessed_with_these_frogs)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

In the early 20th century, pregnancy testing required a slippery piece of equipment: a female African clawed frog. For decades, hospitals and research labs had a trusted supply of these handy creatures, employing their help in testing for pregnancy and in numerous other scientific endeavors. So what makes these frogs so special? Carly Anne York shares the secrets of these remarkable amphibians. \[Directed by Yajun Shi, narrated by Alexandra Panzer, music by Cem Misirlioglu, Greg Chudzik\].

## Lectures

1. [Why were scientists so obsessed with these frogs?](https://invisiblenetwork.ai/learn/ted/carly_anne_york_why_were_scientists_so_obsessed_with_these_frogs/86da7abef7ae), 5 min (TED's player)