The type of bond between the proteins in mussel glue and mucus is what makes them almost impossibly strong. Glue is an ... If this superglue sounds too super to be real, think again.

A super strong glue from a company called 3M was tested to see how much weight it could hold. The ends of two metal rods were glued together using 3M glue called Scotch-Weld Instant Adhesive. The rods ...