New sensor could help detect Parkinson’s disease in human tears — less painful, invasive than blood test

A quick cry could one day save your life. Brazilian researchers have developed a tiny sensor that can detect early signs of ...
The Digital Universe

Save your tears for another day — BYU researchers can use them to detect disease

It’s been said that angry tears are salty and happy tears are sweet. Whether or not that’s actually the case, it is true that not all tears are the same. Tears from chopping an onion are different ...