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You might think glacial water melted by a virgin flame (whatever that is) would give you the purest H2O. Not quite. In fact, it'd be utter bilge compared to this delicious, laboratory-made dew, created using a combination of a vacuum chamber, titanium dioxide and a "cold finger".

That's right, Italian researchers just found a massive reservoir of liquid water - a lake that stretches about 20 kilometres across and IS 1.5 kilometres deep - under the polar ice cap of Mars.

I'm not joking. There's water on Mars. Holy wow there's water on Mars, people.

Video: It’s a crucial compound when it comes to supporting life, but water has so many amazing properties that there’s a lifetime of experiments to try with what comes pouring out of your taps. It’s common knowledge that water is an effective tool for dousing a flame, but did you know that you can use water to start a fire too?

H20 is oh-so very weird. It's on the lighter side of gases, but it's one of the denser liquids. It's got an abnormally high freezing and melting point, and it is densest when four degrees above its freezing point, where it changes from a liquid to a solid. A new paper seems to show a source for that weirdness.

From the moment that seven Earth-sized planets were discovered in orbit around TRAPPIST-1 -- an ultracool dwarf star located 39 light years away -- astronomers have been busy trying to learn everything they can about this intriguing star system, particularly its potential to foster life. Recently, an international team of scientists used the Hubble Space Telescope to assess the chances of water existing on these planets -- and the results are promising.

On Wednesday, Michigan's Attorney General announced it will charge Nick Lyon, the Health and Human Services Director, with involuntary manslaughter for his role in the Flint water crisis. During the crisis, caused in part by substandard water treatment, 100,000 residents were exposed to elevated levels of lead, a dangerous neurotoxin, and were at elevated risk for Legionnaire's disease, a waterborne illness linked to 14 deaths in the city since 2014.

Manufacturing 2,000 litres of drinkable water, extracted from the air (using renewable energy), at a cost of less than two cents per litre.

That's the challenge set to those entering the Water Abundance XPRIZE, where 98 teams from 25 countries will compete for the $1.75 million. Four Australian teams will take on the challenge, and we spoke to Hydro Harvest Operation (H20) about how they plan to win.

Our little red neighbour may be a rocky red wasteland now, but a lot of people think it was once an ocean-covered world just like our own. After scientists found some evidence of flowing water back in 2015, folks started to take these claims even more seriously. Heck, maybe Mars even supported life.