Health care and life expectancy.
The four pictures of the moon accompanying the review by Ursula B. Marvin of To a Rocky Moon: A Geologist's History of Lunar Exploration by Don E. Wilhelms (9 July, p. 231) should have been in reverse order on the page.
Hitchings
G H
GH
D004345:Drug Industry; D018166:Health Care Reform; D006801:Humans; D008017:Life Expectancy; D012106:Research; D014481:United States