Some of our cells move – and they do it by emitting lots of chemicals

The chemicals that cells leach onto their path may determine how far they can crawl.

Cells crawl for many reasons, including to help heal a wound or, in the case of cancer cells, to metastasise. But scientists still have a relatively poor understanding of what determines how far a cell can travel or what route it will take.

Emiliano Perez Ipiña at Johns Hopkins University in Maryland and his colleagues wanted to investigate …