Lasers and microscopic "bullets" have helped test the strength of lightweight materials that can better stop gunshots than any existing armor. The testing may lead to thinner, lighter protection that ...

Prick a finger and have the blood checked for parasites - by smartphone? Scientists are turning those ubiquitous phones into microscopes and other medical tools that could help fight diseases in ...

Occult blood is when you can’t see blood in your urine with your eye and it’s only visible under a microscope. You may need antibiotics or different treatments depending on the infection or other ...