New CRISPR-Cas9 tool edits both RNA and DNA precisely

A tool that has already revolutionized disease research may soon get even better, thanks to an accidental discovery in the bacteria that cause many of the worst cases of meningitis.

Ultrashort light pulses for fast 'lightwave' computers

Extremely short, configurable "femtosecond" pulses of light demonstrated by an international team could lead to future computers that run up to 100,000 times faster than today's electronics.

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