National Tsing Hua University

Mercury can be quite harmful in large amounts, and detecting its presence in foods or liquids typically requires lab-based tests. A new nanosensor, however, can quickly detect even small levels of the heavy metal onsite, simply by tapping on samples.

​Are you in danger of having a heart attack? Scientists from Taiwan's National Tsing Hua University and National Cheng Kung University are developing an inexpensive medical biosensor that could let you know, so you can take preventative measures before it's too late.