Word: alertness
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...should be quite evident by now that the United States has a vast literacy problem. In September of this year, the major networks and newspapers took part in a campaign to alert the general public to adult illiteracy--and to urge illiterate adults to seek help...
...while a better informed and more alert public results from the educational and instructional efforts of the mass media, here too, there are casualties. Some people are confused and frightened by exaggerated reports of new and dreadful diseases; some with untreatable or terminal diseaeses have their hopes raised in vain. Misinformation also leads people to seek medical care needlessly and makes them vulnerable to exploitation by quacks...
...Enrile. "Ramos is loyal to his commander in chief -- and that should be interpreted to mean whoever that may be," said a Defense Ministry aide. Aquino, who met briefly with Enrile at week's end, brushed aside the prospects of a coup, though she put the military on full alert. "I'm confident that there will not be a coup," she said...
...single-stranded genetic molecule, and often enters the bloodstream of its victim after sexual contact. It is an AIDS virus, and its intrusion does not go unnoticed. Scouts of the body's immune system, large cells called macrophages, sense the presence of the diminutive foreigner and promptly alert the immune system. It begins to mobilize an array of cells that, among other things, produce antibodies to deal with the threat...
...response to acute infection is also immediate. Like a fire, the incipient infection sets off alarms that alert the immune system to bring out its defensive weapons. It is an awesome arsenal. First, natural killer cells and the Pac-man-like macrophages rush to the scene to gobble up infected cells. After about a week, if this first-tier defense fails to control the threat, says Fields, "you bring out the guided missiles." These are antibodies -- produced by B cells upon the order of helper T cells -- that are custom-designed to home in on certain antigens, distinctively shaped proteins...