Bush-fire smoke linked to hundreds of deaths
Deadly Japanese earthquake study retracted over false data
Ebola responders killed as violence flares
How lactate links cannabis to social behaviour
Nepali scientists record country's first tornado
No vehicle means a hard road to health care for millions of people
Novichok nerve agents banned by chemical-weapons treaty
Organized crime in the fisheries sector threatens a sustainable ocean economy
Research group takes down controversial Indonesia fire analysis
The violent blasts that can add to an avalanche's devastation (Editorial)
Tornado scientists send drone fleet into violent thunderstorms