A mouse with two dads — and a new frontier for biology | Katsuhiko Hayashi

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4.1 • 11.9K Ratings

🗓️ 18 November 2024

⏱️ 11 minutes

🔗️ Recording | iTunes | RSS

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Summary

You're familiar with the story: a sperm and an egg meet to create an embryo, which has the potential to give rise to new life. But what if you could create a sperm or egg from any cell, even a single skin cell? Biologist Katsuhiko Hayashi discusses the science of in vitro gametogenesis (IVG) — an experimental technique for creating lab-made sperm or eggs out of just about any type of cell — and explores its implications for endangered species, human reproduction and more.

Transcript

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0:00.0	TED Audio Collective.
0:09.3	You're listening to TED Talks Daily, where we bring you new ideas to spark your curiosity
0:13.6	every day.
0:14.7	I'm your host, Elise Hugh.
0:16.5	We are on the brink of a breakthrough in reproductive technology that could allow parents of the same sex
0:22.4	to reproduce with DNA from both parents.
0:26.3	That's right.
0:27.1	But this kind of science wouldn't just help same-sex couples.
0:30.2	As biologist Katsuhiko Hayashi presented in 2024,
0:35.2	it could also keep biodiversity from extinction.
0:38.9	He explains after the break.
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	...

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