What Next | Could Artificial Blood Save Lives?

Slate Technology

Slate

Society & Culture, Technology, History

4.6 • 636 Ratings

🗓️ 28 August 2025

⏱️ 26 minutes

🔗️ Recording | iTunes | RSS

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Summary

Blood has a very short shelf life, even under the best of conditions—and you can picture the less-than-ideal conditions where blood is frequently needed—which is why scientists have been working on a blood alternative. The results are promising. Guest: Nicky Twilley, host of “Gastropod” podcast and author of Frostbite: How Refrigeration Changed Our Food, Our Planet and Ourselves. Want more What Next? Join Slate Plus to unlock full, ad-free access to What Next and all your other favorite Slate podcasts. You can subscribe directly from the What Next show page on Apple Podcasts and Spotify. Or, visit slate.com/whatnextplus to get access wherever you listen. Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme, Ethan Oberman, and Rob Gunther. Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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1:06.4	So, Nikki, can I call you a vampire?
1:12.1	I mean, since we're friends.
1:15.7	Nikki Twilly is a reporter over at The New Yorker.
1:18.6	She also hosts a podcast called Gastropod.
1:21.4	So it makes sense that she likes to taste things, including blood, sort of.
1:28.1	You've actually tasted synthetic blood?
1:32.1	Yes, I have chugged a shot of synthetic blood.
1:35.8	I don't think you can call me a real vampire, only a fake vampire, which is a synthetic
	...

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