By Ben Butkus

This story has been updated from a version posted May 5 to clarify information regarding the availability of Quest's fragile X test.

Scientists from Celera and a national reference laboratory at the University of Utah have developed a PCR-based assay to detect the presence or absence of an expanded allele in the FMR1 gene on the X chromosome that is associated with fragile X syndrome and other developmental and degenerative disorders.

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Using DNA to sketch crime victims might not be a great idea, the NYTimes says.

Science has its own problem with sexual harassment. What do we do with the research these abusers produce, Wired asks.

Senate Republicans led by Senator Rand Paul (R-KY) are trying to change how the government funds basic research, reports ScienceInsider.

In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.