UNIVERSITY OF COPENHAGEN – FACULTY OF SCIENCE IMAGE: MIXED CELL POPULATIONS AUTONOMOUSLY SORT THEMSELVES INTO SEPARATE DOMAINS: ISLANDS OF EXTENSILE CELLS WITH NORMAL CELL-CELL CONTACTS (PURPLE) SURROUNDED BY CONTRACTILE CELLS THAT HAVE WEAKENED CELL-CELL CONTACTS (GREEN). CREDIT: AMIN DOOSTMOHAMMADI How do the billions of cells communicate in order to perform tasks? The cells exert force...