Should We Be Afraid Of Aliens?
The notion that other intelligences exist in the universe is pervasive in popular culture: Aliens are often portrayed as evil invaders. Marcelo ponders whether we should worry.
February 25, 2015
The notion that other intelligences exist in the universe is pervasive in popular culture: Aliens are often portrayed as evil invaders. Marcelo ponders whether we should worry.
February 25, 2015