Essential video portal focusing on human nature, promoting healthy skepticism, critical thinking and reason.

Tag: Perception / Umwelt


Carl Sagan: Pale Blue dot

Carl Sagan: Pale Blue dot

[3:30] No words for this. Simply enjoy the late, great Carl Sagan’s wise words. [Source: CarlSaganPortal You…

MORE

Page 20 of 30« First...10...1819202122...30...Last »