Some scientists trying to create "mirror life" have stopped in their tracks. A mirror microorganism could end up being a major pathogen since immune systems wouldn't notice it. Mirror-image biology ...

For people with two hands, one is usually dominant. On a molecular level, life takes this to the extreme. All of the DNA in earthly living things... What are 'mirror cells' and why do some scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. We don't always have the luxury of decent daylight – but there are ways to fake it - Getty Mirrors in aeroplane loos. Ghastly.