So, I've heard a rumour that you can change liquids to gases, and back again. Right! Go on then. Let's see. Nice shower Square? Whoa! Cheeky. When water is heated up, it changes state from a ...

Far from being barren wastelands, deserts are biologically rich habitats with a vast array of animals and plants that have adapted to the harsh conditions there. Some deserts are among the planet ...