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In a freak accident, Steve Irwin died after being pierced through the heart by a usually chill stingray while filming an underwater documentary in a lagoon off the Great Barrier Reef.

It is estimated that more than 95% of the world’s intercontinental information travels through underwater cables that are no bigger than the pipes at the back of your toilet.

The teen ducked underwater, saw a shadow and feared that it was a shark.

An underwater camera set up 55 years ago to try and photograph the Loch Ness Monster has been found by accident by a robot submarine.

The off-duty firefighter was part of a group of four men in their 20s who had set out that evening to free dive, which involves swimming underwater without breathing apparatus or scuba tanks.