They've only gone and made a chemical-threat-detecting ring

Oo, what's that you've got on? Chanel No. 5? Anthrax? This trendy wearable would know

Smartwatches and Fitbits might be the cool wearables du jour, but they're hardly able to tell you if you're standing in a cloud of noxious chemicals. However, a team of boffins hopes to some day fill this, er, gap in the market with their hip prototype, the broad goal of which is to help keep you alive."