California Institute of Technology of Pasadena has received US Patent No. 8,550,119, "Microfabricated elastomeric valve and pump systems." The method includes forming two elastomeric layers on top of micromachined molds. The layers are bonded together to form a control channel and the top layer is positioned on a planar substrate to form a flow channel.

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Vivek Murthy is no longer the surgeon general of the US, the Associated Press reports.

People around the globe took to the streets to support science — some with signs.

Parents who learn of their increased genetic risk of disease also contend with telling their children about theirs, the New York Times writes.

In PLOS this week: loci linked to body mass index measurements, long non-coding RNA expression and urothelial carcinoma prognosis, and more.