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Ada Yonath obituary

Ada Yonath, a crystallographer and biochemist who won the 2009 Nobel Prize in Chemistry for mapping the ribosome’s molecular structure, has died at age 87. Her breakthrough work advanced antibiotic development and earned her recognition despite early scientific skepticism.

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Life uses 4 DNA letters. Scientists just made 8 work

Researchers at UC San Diego demonstrated that an important enzyme can accurately read and transcribe DNA containing eight genetic letters instead of the four found in all natural life, offering potential for synthetic biology applications.

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