Part of our weekly "In Focus" series—stepping back, looking closer. Every civilization has its rise and fall. But no culture has fallen quite like the Maya Empire, seemingly swallowed by the jungle ...
Melting ice from the Himalayas is creating thousands of unstable lakes, a growing menace to towns and cities below. By Raymond ZhongJason Gulley and Bora Erden This summit is unlike any of its ...
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