Environmental toxin PCB found in deep sea trench

Scientists discover pristine deep-sea coral reefs in the Galápagos Marine Reserve

A meta analysis of effects of exercise on psychosis: A significant improvement was found in Positive and Negative Syndrome Scale (PANSS) positive symptoms, with large effect sizes for PANSS-negative and general symptoms.

Giant exoplanet found, imaged directly thanks to star-mapping data (photos)