Health experts warned Monday about serious risks from the "Cinnamon Challenge," a game popular with US teens, who ingest a spoonful of the pungent spice, then try to refrain from drinking water.
Scientists have urged New Zealand to take immediate action to protect the critically endangered Maui's dolphin, amid warnings the marine mammal could become extinct by 2030.
The Syrian regime has begun using missiles and barrel bombs against rebels, a top US official said Wednesday, signaling a dangerous escalation of the deadly 21-month-old conflict.
Government radiation monitoring in areas near Japan's crippled Fukushima nuclear plant is unreliable, Greenpeace charged on Tuesday, with heavily populated areas exposed to 13 times the legal limit.
Hired assassins are stalking witnesses to a Philippine massacre in which a political warlord allegedly led the slaughter of 57 people, victims' relatives and a rights group said almost two years into a complex trial.
US nuclear regulators published an update on California's troubled San Onofre power plant Thursday, sparking an expert warning that the problem is more serious than first thought.