Audrey O'Grady receives funding from Science Foundation Ireland. She is affiliated with Department of Biological Sciences, University of Limerick. Many people think science is difficult and needs ...

Step into the hidden science lab in your kitchen with five easy experiments that explain refraction, surface tension, oxidation, capillary action and motion.

Add Yahoo as a preferred source to see more of our stories on Google. Klaus Vedfelt / DigitalVision via Getty Images Water is the world's most important resource, and it keeps our bodies functioning ...