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They Call Him Flipper...

According to a new study published in the Proceedings of the Royal Society B, dolphins are smart, says Helen Thompson at the Nature News blog. Researchers at Wayne State University used the recently sequenced genome of the bottlenose dolphin to shed light on the evolution of the animal's nervous system, but they also found several commonalities with other large-brained mammals, Thompson says. "Although the resulting sequence has gaps, the WSU team used it to flag some 10,025 genes with counterparts in the genomes of nine other mammals, including cows, horses, dogs, humans, and elephants," she adds. "They found 228 gene sequences that had changed significantly relative to other mammals." Using this information, researchers hope to study genes that could affect intellectual ability in humans, which could lead to a better understanding of cognitive functions.

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.