Every multicellular organism, from tiny worms to humans, elephants, and whales, needs a way for their cells to connect with each other to form tissues, organs, and organize their overall body plan.

[button url="http://chem.colorado.edu/" color="blue"]Department of Chemistry and Biochemistry[/button] [button url="www.colorado.edu" color="blue"]University of ...

In the lab, it's easier to grow simple balls of cells than complex asymmetrical structures with two distinct ends—like the one million filtering units—nephrons—that make up a human kidney. But new ...