Director’s Blog I don’t know why or how April 25th, the day after Earth Day and the day before Save the Frogs Day (really), was named National DNA Day, but once again we have a reason to celebrate the basic language of biology. In fact, this has been a good year for DNA—that 3 billion base-pair long sequence of nucleotides which constitute the building blocks for the 23 pairs of chromosomes found in almost every human cell.

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It’s time again for the year’s ten best from NIMH. A year that included a 16-day government shutdown and a 5.2 percent sequester also saw some outstanding scientific breakthroughs and historic changes in policy.

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Director’s Blog The last days of this long, hot summer are a good time to catch up on a few of the season’s scientific breakthroughs, which have been coming fast and furious during what has been a down time for many people outside of science. What about this week’s story of an increase in spontaneous mutations in children of older dads? We already knew that children with autism and schizophrenia were more likely to have been conceived by fathers over 40

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