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What was life like for Tyranossaurus rex?

T. rex may be the most famous prehistoric predator, but their life wasn’t always bone-snapping chomps and food chain scaremongering.

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October 23, 2026

CRISPR pioneer Jennifer Doudna discusses the evolution of gene-editing technology and what it takes to be a good scientist. Timekeepers around the world voted to stop using leap seconds, but what does that mean for us? Plus, how "problem bears" help test engineers evaluate consumer products, author Kazuo Ishiguro on emotional truth in our age of AI, and the science of apple varieties.

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Enter SciFri’s nerdy Halloween costume contest!

It’s Nightmare on Nerd Street—and your science-inspired Halloween costume could win SciFri’s 2026 costume contest.

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Kazuo Ishiguro on emotional truth in sci-fi and in our AI reality

Five years after “Klara and the Sun” was published, the film adaptation exists in an entirely different AI landscape.

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Share your questions, thoughts, and experiences. We might feature your contribution in an upcoming story.

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