BACKYARD BEASTS OF PREY

Coyotes, becoming increasingly tolerant of humans, are getting much bolder about venturing into cities and suburbs.

STAR WARS

When scientists in California and around the world finally solved the mystery of gravitational waves last year, only one question remained: Who should get credit for the discovery?

REINVENTING THE WHEEL

New transportation innovations are forcing planners and city officials to rethink everything about how we get around.

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