Photo of John Calhoun crouches within his rodent utopia-turned-dystopia
Universe 25, 1968–1973
A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.
Universe 25, 1968–1973
Universe 25, 1968–1973

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse.

ABOVE: Yoichi R. Okamoto, White House photographer, Public Domain
population control
Save the Wolves, Control the Moose
The Scientist Staff | Sep 25, 2018
Researchers plan to relocate mainland wolves to an island in Lake Superior in an effort to boost the near-extinct predator population and limit the growth of local moose herds.
Researchers Look to Sex Pheromones to Trap an Invasive Snake
Steve Graff | Jul 1, 2018
The brown tree snake has wreaked havoc on the island of Guam, but one solution to the problem could lie in the serpent’s own physiology.
Virginia Targets Wild Pigs
Bob Grant | Nov 26, 2013
The state assembles a task force to try to slow the growth of burgeoning populations of the ecologically destructive invasive species.