WATCH: What if animals hunted humans?

if the natural world suddenly took revenge, if animals like tigers, bears and wolves teamed together to hunt us down, then humankind could be in A LOT of trouble...

WATCH: What if you were swallowed alive?

Whether you're in the jaws of a shark or crocodile, forced through the digestive system of a reticulated python, or helplessly trapped inside a whale... It's a terrible situation to be in.

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Lifestyle »

E-cigarettes: Here are five things to know

E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places.

Allergy »

Ditch the itch: Researchers find new drug to fight hives

A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.