The Case of the Vanishing Caterpillar

A butterfly larva’s fate depends on who finds it first—its ant friends or ant foes.

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Recent Stories

After centuries of moving through the Irish countryside, a group known as Travellers has come to rest.

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Peaks protected fifty years ago by the Wilderness Act no longer keep mountain goats safe from human impact.

By the 1920s, California had lost all of its grizzly bears—once considered a distinct species and an emblem of the state.