In this week's News Flash we hear how lasers might replace X-rays as a way to see inside the body, why poor quality ponds are threatening wildlife and how a failed experiment yielded a super-slippery coating. Plus, we delve into the genetic code of the extinct woolly mammoth, discover how firing lasers at nerves could vastly improve cochlear implants, and how a 'switchable' detergent could help to recycle nano-particles!