From the Robotic Laboratory of Bristol. Loannis Leropoulos announced that they were able to charge the Samsung mobile phone by using the power generated when urine passed through a series of microorganism fuel cells (MFCs). Scientists believe that, apart from mobile phones, there is the potential to produce enough electricity to run a shower, lighting and shaving machine using urine. In addition, researchers from Guangzhou Biomedicine and Health Institutes in China managed to make teeth from urine stem cells. Researchers, dental pulp, dentin, tooth enamel and enamel organ, but they do not as strong as the natural teeth said. They think they can find a way to do this in the future.