Your Mind Can Space Out, But Your Body Belongs on Earth
April 8, 2017
Through the imagination, we can soar through distant galaxies. Sooner or later, physical reality hits home.
Buck Up; We're Stuck on Earth
November 10, 2013
Star Trek is out, scientists have found. Our bodies can't take extended space travel.
Eugenics in Space
December 27, 2012
To "keep evolution on a favorable track," spacefaring humans may want to cull bad genes, a futurist says.