This Week in Science

In Science this week, a team led by Stanford University researchers report the architecture of a complete, 32-protein, RNA polymerase II transcription pre-initiation complex. The structure was determined using cryo-EM and a combination of chemical cross-linking and mass spectrometry, and showed a "marked division" in two parts — one containing all the general transcription factors and the other pol II.

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Joel Achenbach explores at National Geographic why people find science difficult to believe.

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