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When hikers need help, who pays for rescue?

Rioja region earns UNESCO tourism blessing

Your friends reveal more about your health than your fitness tracker

Dogs know we're suckers for 'puppy dog eyes'

On maiden voyage, Boaty McBoatface identifies significant culprit in rising sea levels

FDA issues warning about fecal transplants

We're close to solving the mystery of those flashing lights on the moon

Why do people always say they feel younger than they are?

What is Valley fever?

NASA spacecraft to map and sample asteroid that's heading our way

When their star-birthing days are over, galaxies retire to oblivion

Does an empty baseball field really need outdoor lighting all night?