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Marine heat waves are transforming our oceans

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Why are so many kids allergic?

This invasive 20-pound rodent could devastate California's agriculture industry

Bad news, egg-lovers: New study tips health scales against eating your favorite food

Who really needs a daily dose of aspirin?

Kenya's 'Elephant Queen' immortalized in remarkable photographs

Desire paths: The unsanctioned shortcuts crisscrossing public spaces

Why the idyllic town of Arvika perfectly represents Sweden's love of nature

Why you should always stand, not pass others, on the escalator

Italy moves to impose 'flip-flop fines' on hiking tourists