China's plans for Himalayan super dam stoke fears in India

China is planning a mega dam in Tibet able to produce triple the electricity generated by the Three Gorges—the world's largest power station—stoking fears among environmentalists and in neighbouring India.

Pacific killer whales are dying—new research shows why

Killer whales are icons of the northeastern Pacific Ocean. They are intimately associated with the region's natural history and First Nations communities. They are apex predators, with females living as long as 100 years ...

Ancient societies hold lessons for modern cities

Today's modern cities, from Denver to Dubai, could learn a thing or two from the ancient Pueblo communities that once stretched across the southwestern United States. For starters, the more people live together, the better ...

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