Science & Environment
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Features & Analysis
COP21: Philippines wrestles with climate dilemma
The Philippines, which is vulnerable to climate change, has confirmed controversial plans for more coal-fired power stations.
Curiosity rover: The reward for 'whale watching' on Mars
When scientists first saw Whale Rock in images returned from Nasa's Curiosity rover on Mars, they really weren't sure what to make of it. Since then it's become the linchpin in a story about water on early Mars.