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Story Behind a Picture

The base of the iceberg: It’s big and teeming with life

Passing chunks of ice can fertilize ocean waters and play a role in the planet’s carbon cycle

The marks of extinction

The mass die-offs of Earth’s past may hold clues to our future

A Notch on the many paths to cancer

Tumors and more may be fueled by an ancient protein with myriad jobs in the body. Scientists hope to tap this knowledge to generate novel therapies.

Signs of how a language grows

In a village in Israel, the way the deaf communicate provides a rare look at a linguistic birth