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An ancient army of algae may have shaped life on Earth as we know it

Americans are taking fish antibiotics because they can't afford to see a doctor

Hearing loss when you're young could lead to dementia when you're old

You can 'see' with parts of your body other than your eyes

Why do we talk in our sleep?

How to start a terrarium in 5 easy steps

Inside Kenya's must-visit elephant nursery

6 surprising foods that stain teeth plus 6 that will clean and whiten them