○○○ shine on ⪢⪢
Things that look white are reflecting
almost all of the visible light shining on them. Things that look black are absorbing
almost all of the visible light shining on them.
http://qindex.info/i.php?x=16168
○○○ vertebrate ⪢⪢
Snakes are also vertebrates which means that they have a backbone. Actually snakes are
almost ALL backbone! A snake's skeleton is most made of its skull, the vertebrate (or bones of the spine) and ribs.
http://qindex.info/i.php?x=16217
○○○ DARPA ⪢⪢
Defence Advanced Research Projects Agency, abbreviated DARPA or the Office of Advanced Research Projects of the United States Department of Defence was established in 1958,
almost immediately after the launch of the USSR's Sputnik-1.
http://qindex.info/i.php?x=1057