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Laugh It Up, Just Like Your Ancestors Did

23andMe's ErinC has a post at the Spittoon about a paper in Current Biology from researchers at the University of Hannover in Germany who studied laughter in humans and apes. The findings indicate that "not only are the hoots, hollers and snorts of the great apes really laughter, but the evolutionary relationships between the sounds match up with the known evolutionary relationships between the species based on genetics," the blog says. That suggests that laughter "can be traced back 10 to 16 million years to our last common ancestor with the great apes," ErinC writes. "Analysis of the chortles of a lesser ape, the siamang, suggests that laughter may be even older."

The Scan

Study Finds Few FDA Post-Market Regulatory Actions Backed by Research, Public Assessments

A Yale University-led team examines in The BMJ safety signals from the US FDA Adverse Event Reporting System and whether they led to regulatory action.

Duke University Team Develops Programmable RNA Tool for Cell Editing

Researchers have developed an RNA-based editing tool that can target specific cells, as they describe in Nature.

Novel Gene Editing Approach for Treating Cystic Fibrosis

Researchers in Science Advances report on their development of a non-nuclease-based gene editing approach they hope to apply to treat cystic fibrosis.

Study Tracks Responses in Patients Pursuing Polygenic Risk Score Profiling

Using interviews, researchers in the European Journal of Human Genetics qualitatively assess individuals' motivations for, and experiences with, direct-to-consumer polygenic risk score testing.