This Week in Science

In this week's Science, a group led by University College London researchers report on a new gene therapy approach that combines optogenetics and embryonic stem cell-based regenerative medicine, and which was used to restore skeletal muscle function in injured and diseased mice. The scientists engineered ESC-derived motor neurons to express the light-sensitive ion channel known as channelrhodopsin-2 and grafted them onto the ligated sciatic nerves in the animals.

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The New York Times and ProPublica look into the close relationship between a startup and Memorial Sloan Kettering Cancer Center.

Yahoo News reports millions of dollars are being transferred from NIH, CDC, and other programs to pay for the housing of detained undocumented immigrant children.

In Science this week: in vitro generation of human reproductive cells, and more.

Researchers gave a handful of octopuses MDMA to find that they too act more social on the drug, Gizmodo reports.