Neutrinos switch their flavours; biomedical research using chimps may be stymied in the US; and common Eurasian bird is in population freefall.

Researchers have created wearable sensor patches that detect harmful UV radiation and dangerous, toxic gases such as hydrogen and nitrogen dioxide.

Publishers are resisting a change to copyright laws that would allow academics to digitally mine 1000's of published articles to help crack intractable problems by gathering data and forming connections between literature.