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This story features in Unearthed: Water Security

The biggest cloud…

…is around a massive black hole 12 billion light-years away. The NASA scientists who discovered it estimated that it contains 140 trillion times more water than all the oceans of Earth.

Water should be a gas

Similar molecules such as hydrogen sulphide and ammonia are, but water molecules’ stickiness holds them together as a liquid.

Or it could be glass

Supercool water to -135deg C in the right way and it will pass into a fourth state partway between its solid and liquid forms – glassy water.

68.7%

of the Earth’s freshwater is trapped in glaciers.

In 100 years

A water molecule will spend 98 years in the ocean, 20 months as ice, 2 weeks in lakes and rivers, and less than a week in the atmosphere.

95%

How much water is in a cucumber…. and a jellyfish.

200

How many gallons of water it takes to create one egg.

Less than 1%

of the Earth’s water is actually drinkable and available for consumption.

326,000,000,000,000,000,000

The estimated number of gallons of water on earth (that’s 326 million trillion). Less than 3% is freshwater