Beautiful Teenage Brains
Impulsive, moody, maddening - that's a typical teen. Yet viewed through the eyes of evolution, adolescent behavior makes sense. Like, totally!
Lost in Slot Canyons
Aussies love dropping into these drenched, narrow passages. Getting stuck is part of the fun.
A Whale of a Shark
Generally a gentle giant, the biggest fish is a beggar and a thief off the shores of Indonesia.
World Without Ice
A mysterious surge of carbon sent temperatures soaring. Life changed forever. Welcome to Earth, 56 million years ago.
Genghis Khan's Urban Clan
Nomads were never meant to live in big-city boxes. But there they are, in Mongolia's capital.
A Homage to Ansel Adams
In the Sierra Nevada an unconfident young photographer became a lens master.
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