Use your smartphone to check how clean the air is, whether food is fresh or a lump is malignant. This has all come a step closer thanks to a new spectrometer that is so small it can be incorporated easily and cheaply in a mobile phone.
Silver nanoparticles are being used in clothing for their anti-odor abilities but some of this silver comes off when the clothes are laundered. The wastewater from this process could end up in the environment, possibly harming aquatic life, so researchers have attempted to recover the silver.
The World Health Organization proposes new guidelines to policy makers and professionals in the field of occupational health and safety with recommendations on how best to protect workers from the potential risks of manufactured nanomaterials.