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How the first direct detection of gravitational waves gave astronomy an entirely new way to observe cosmic events.

Why the hardest repeated regions remained unresolved for years—and what a gapless reference makes possible.

What a major prevention trial can—and cannot—tell us about dietary patterns and cardiovascular risk.

Large observational studies connect very short and very long sleep with health outcomes, but causation is more complicated.

A landmark review explains why layered neural networks became powerful tools for images, speech, and language.

Its breakthrough came from joining learned value estimates, move selection, and tree search—not from one magical algorithm.