This is a selection of highlights from episode #202 of The 80,000 Hours Podcast. These aren't necessarily the most important, or even most entertaining parts of the interview — and if you enjoy this, we strongly recommend checking out the full episode:

Venki Ramakrishnan on the cutting edge of anti-ageing science

And if you're finding these highlights episodes valuable, please let us know by emailing podcast@80000hours.org.

Highlights:

• Luisa’s intro (00:00:00)
• Is death an inevitable consequence of evolution? (00:00:15)
• How much additional healthspan will the next 20 to 30 years of ageing research buy us? (00:03:10)
• The social impacts of radical life extension (00:05:46)
• Could increased longevity increase inequality? (00:10:06)
• Does injecting an old body with young blood slow ageing? (00:14:23)
• Freezing cells, organs, and bodies (00:18:35)

Highlights put together by Simon Monsour, Milo McGuire, and Dominic Armstrong

This is a selection of highlights from episode #201 of The 80,000 Hours Podcast. These aren't necessarily the most important, or even most entertaining parts of the interview — and if you enjoy this, we strongly recommend checking out the full episode:

Ken Goldberg on why your robot butler isn’t here yet

And if you're finding these highlights episodes valuable, please let us know by emailing podcast@80000hours.org.

Highlights:

• Luisa’s intro (00:00:00)
• Moravec's paradox (00:00:22)
• Successes in robotics to date (00:03:51)
• Why perception is a big challenge for robotics (00:07:02)
• Why low fault tolerance makes some skills extra hard to automate (00:12:29)
• How might robot labour affect the job market? (00:17:19)

Highlights put together by Simon Monsour, Milo McGuire, and Dominic Armstrong

This is a selection of highlights from episode #200 of The 80,000 Hours Podcast. These aren't necessarily the most important, or even most entertaining parts of the interview — and if you enjoy this, we strongly recommend checking out the full episode:

Ezra Karger on what superforecasters and experts think about existential risks

And if you're finding these highlights episodes valuable, please let us know by emailing podcast@80000hours.org.

Highlights:

• Luisa’s intro (00:00:00)
• Why we need forecasts about existential risks (00:00:26)
• Headline estimates of existential and catastrophic risks (00:02:43)
• What explains disagreements about AI risks? (00:06:18)
• Learning more doesn't resolve disagreements about AI risks (00:08:59)
• A lot of disagreement about AI risks is about when AI will pose risks (00:11:31)
• Cruxes about AI risks (00:15:17)
• Is forecasting actually useful in the real world? (00:18:24)

Highlights put together by Simon Monsour, Milo McGuire, and Dominic Armstrong