Osmosis, the movement of a solvent (usually water) across a semi-permeable membrane from an area of higher solvent concentration to an area of lower solvent concentration, is key in the maintenance of homeostasis. This demo shows osmosis across a semi-permeable membrane.
Do girls really read better than boys?; earwax, the self-cleaning marvel; extreme survival in deadly cold; ‘smart’ fibres curb battery fires; teens lose sleep over social media; massive ice shelf about to break off – just a few of the themes in today’s eclectic collection of SciNews. Share these stories with your students and get them excited about science.