Stripe patterns are commonly seen in nature—for instance, birds and fish move in coordinated flocks and schools, fingerprints ...

Patterns in dried droplets are commonly observed as rings left after spills of dirty water or coffee have evaporated. Patterns are also seen in dried blood droplets and the patterns have been shown to ...

Blood clots form in response to signals from the lungs of cancer patients -- not from other organ sites, as previously thought -- according to a preclinical study. Clots are the second-leading cause ...