Universidad Politecnica de Madrid

Approximately 5.8 million tons (5.26 million tonnes) of textile waste are generated in the European Union every year. That's why scientists are exploring a new use for the waste – they're turning it into interior wall panels. ​

Move over, fingerprints and iris scans, because a new form of biometric identification may soon be joining you – body odor. According to Spanish scientists, peoples' unique BO signatures remain steady enough over time to allow for an ID accuracy rate of approximately 85 percent.

When a patient can't breathe through their mouth or nose, often the only way of getting air to their lungs is to perform a tracheotomy. This involves making an incision in the trachea, and inserting a breathing tube through it. Now, scientists are creating a device to streamline the process.