There’s a construction boom going on in the United States: a prison construction boom. But not just for humans. Chimps are among the strongest and cleverest escape artists in the animal world. New enclosures aim for an escape-proof layout. But perhaps the greatest challenge in the world of secure construction is an invisible one: menaces such as the Ebola virus. Advanced air pressure and filtration systems, interlocking door systems and multiple mechanical systems are under construction to protect workers and the public from the worst incurable diseases inflicting humanity.
