We revisit a 2020 interview with cosmologist Katie Mack about how the universe could end. Plus, remembering psychologist Daniel Kahneman.

Recipient Of Pig Kidney Transplant Recovering | Answering Your Questions About April 8 Eclipse

Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.

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