US Space Force logo draws comparisons to 'Star Trek'

US President Donald Trump unveiled the logo of Space Force on Friday, attracting critics who said America's newest military branch had boldly gone where Star Trek went before.

The skin of the earth is home to pac-man-like protists

Pac-Man, the open-mouthed face of the most successful arcade game ever, is much more well-known than any of the one-celled organisms called protists, at least among people over 30. But the first study to characterize protists ...