Researchers have developed a way to put bacteria under a molecular lock and key as a way to contain its accidental spread. The method involves a series of genetic mutations that render the microbe ...

Seren is attempting to get into her house but is having some difficulty as her key won’t fit in the lock. In anger, she questions what is wrong with her lock and key. Alfred, the science app, responds ...

Scientists have identified the genetic "lock and key" that enable the amoeba to tell kin from non-kin. Just as the uniforms of armies enable soldiers to differentiate foe from friend, these amoebae ...