1 2 Vitamin A deficiency can result in night blindness and weakened immunity. It affects over 250 million people each year. I can’t see in dim light.
Science in Prehistory Mankind has had a long fascination with the ‘heavens’: the motion of stars, Sun, Moon, planets, comets, meteorites, aurora, even.
Promises to Keep: Technology, Law, and the Future of Entertainment William Fisher March 25, 2003.
