You already know that water is essential, but that doesn't answer our question. There's something special about water that makes it difficult to imagine life without it and the reason it features in searches for life outside the Earth. Subscribe now for unlimited access .
Login or signup to continue reading $ 0 / $ NaN /year All articles from our website & app The digital version of Today's Paper Breaking news alerts direct to your inbox Interactive Crosswords, Sudoku and Trivia All articles from the other regional websites in your area Continue Indeed, NASA's Kepler telescope discovered a potential candidate orbiting around a red dwarf star, roughly 120 light-years away. The exoplanet with the uninspiring name "K2-18 b" is between the size of Earth and Neptune and sits in the so-called "Goldilocks" zone which is thought to be more benign. Whether there is life on another planet will likely remain speculation for some time, but on Earth, the evidence is clear.
Your body weight is 60-75 per cent water, and you only need to lose 4 per cent to become dehydrated and losing 15 per cent can be fatal. This means you might survive a month without food, but not likely beyond three days without water. Water is the perfect vehicle for shipping nutrients around the body while carrying wastes away.
Picture Shutterstock The water molecule looks like a basketball oxygen atom with a pair of tennis ball hydrogen atoms hanging off the side in a boomerang formation. The positively charged hydro.
