"The reason it's called Biosphere 2 is because Biosphere 1 is planet Earth, right? The real world," University of Arizona ...

At the University of Arizona's Biosphere 2 Project, scientists created a sealed "mini-Earth" to study plant growth and ecological systems in a controlled environment. The trees inside grew quickly ...

There has historically been tension and sometimes open hostility between those scientists engaged in detailed analytic work and scientists who study phenomena at larger scales. This is unfortunate, ...