Word: shield
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...Neil Armstrong. While Armstrong and other astronauts confirmed the mysterious flashes, NASA scientists were at first inclined to attribute them to an optical quirk. Now they have proposed a more plausible explanation: cosmic rays. Though only some of these high-speed particles-mostly protons-manage to break through the shield of the earth's magnetic field, they can easily penetrate the eyelids of a space traveler, pass through the eye fluid and strike the retina. At times, they may even hit the brain's optic nerve. Such bombardment causes no serious damage during a short lunar mission...
What the Administration is doing, commendably, is trying to iron out some of the wrinkles that have caused needless overruns in the costs of Medicare and Medicaid. It is proposing that contractors (such as Blue Cross, Blue Shield or group health plans) be authorized to assume responsibility for the total care of Medicare patients for a flat annual fee that would be no more than the current per-patient costs of Medicare from both taxes and the voluntary part...
There is considerable dissembling on both sides. The Japanese case could probably command greater support among U.S. free-traders if Japan were not itself more protectionist than any other developed nation. It has grown rapidly to economic maturity behind a barricade of restrictions, which once were justifiable as a shield for so-called infant industries. Japanese attitudes have not caught up with the country's important new trading role...
Delicate Ground. When two newsmen stumbled on to the massacre at Takeo (TIME, April 27) their immediate response was not how to file a story but how to help the survivors. Later, other newsmen stood for several hours as a human shield between the wounded and several hundred nervous Cambodian troops. Finally the correspondents became nervous themselves. When they left, one correspondent's car carried away seven of the wounded...
...setting it down in the South Atlantic in less than 40 hours. But that strategy too carried unnecessary risks. It would so deplete the LM's fuel supply that later course corrections might not be possible. Also, loss of the service module would expose the command module's heat shield to possibly damaging ultraviolet radiation and temperature extremes, leaving the astronauts with insufficient protection for reentry...