“While salt might not save the world alone, we believe osmotic power will be an interesting part of the renewable energy mix of the future.”

Baard Mikkelsen, chief executive of the Statkraft utility company, discusses the opening of the world’s first osmotic power plant, which produces electricity via the mixing of fresh and salt water (Reuters).

“Many journals did not require authors to sign disclosure statements, and there was variability in how [Conflict of Interest] was defined. … Readers should consider the potential for undisclosed COIs in medical journals that lack explicit disclosure requirements.”

Researchers report in JAMA on how medical journals differ in requiring paper authors to report their potential conflicts of interest.

“These observations, taken over four days, represent the first visible-light video of Saturn’s auroras.”

The Cassini probe has come up with more footage for you to swoon over.