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Those 'DNA knots' weren't knots at all, and the truth is stranger

For decades, biology textbooks taught that DNA’s story could be told with a single image: two elegant strands twisting in a ...
Popular Science

How scientists analyze ancient DNA from old bones

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1976, workers excavating a tunnel for the Toronto subway system ...