Vietnamese search planes spotted oil slicks near where a Malaysia Airlines jet carrying 239 people abruptly vanished on Saturday.
Government forces have seized a town near the Lebanese border, in an attempt to cut off opposition fighters' fluid supply lines
An art project may shine a light on a major environmental problem - but first participants have to give urine samples.
Dozens of computer networks in Ukraine have been infected by an aggressive new cyber weapon called Snake, a hard to detect virus.
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