Glucose

While we may think of wood as being earthy and natural, wooden materials such as plywood typically contain formaldehyde-based adhesives that give off toxic fumes. Such is not the case with a new adhesive, which is made from glucose and citric acid.

A new device out of UC San Diego takes flexible electronics into new territory, with engineers building what they say is the first wearable capable of monitoring cardiovascular signals and multiple biochemicals in the body at the same time.

Launched late last month, Fitbit's Ionic is the company's attempt at claiming some territory from smartwatch heavyweights like Apple and Garmin. Now the feature-packed wearable is set to gain a handy new piece of functionality, with the ability to display glucose levels on the user's wrist.