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Are high-status people stingier?

How to watch the Delta Aquarids and summer’s other minor meteors

Watch a year in the life of Earth (in 3 minutes)

Researcher finds 'strong' evidence that alcohol causes cancer

Earth's tiniest porpoise approaches extinction

'Cat poop coffee' isn't just weird, it's also cruel

Mom of 3 honors best friend's dying wish by taking in her 6 kids

What does 'easy to recycle' mean?

The cheeky story behind the award-winning 'Puffin Paramours' photo

First U.S.-approved drone delivery drops off donuts from 7-Eleven

Why does my cat eat grass?

Wild birds communicate and collaborate with humans, study confirms