A new technology uses human teardrops to spot disease
Microscopic particles in teardrops offer intel on what’s going on in the body
![a close-up on a person's eye, with a tear streaming down their cheek](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/07/071922_MR_tear-tech_feat.jpg?fit=1030%2C580&ssl=1)
A new method to rapidly analyze teardrops could help scientists detect molecular signatures of disease.
RunPhoto/The Image Bank/Getty Images Plus