Word: risings
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...reason H5N1, which first cropped up in humans in 1997, has never given rise to a pandemic is that the virus does not appear to spread easily among people. It has been transmitted between humans only in rare cases, usually among family members in close conditions. But the fear has long been that if bird flu genetically mixed with human flu - in a process called reassortment, in which two flu viruses swap genes in an infected cell - it could create a new strain that is both deadly and transmissible, as illustrated by the new PNAS study. That's how many...
...only one who thinks so. After all the bad press in the early '00s - the company has been blamed, with some justification, for the global rise in obesity - McDonald's is enjoying a heady resurgence. Each day, it feeds some 26 million Americans, 2 million more than it did in 2006. In the past five years, the McDonald's Corp. share price has jumped from below $30 to above $60. (See the 10 worst fast-food meals...
...truth probably lies in a mix of these factors, plus one more: the steep rise in the number of Americans in prison. As local, state and federal governments face an era of diminished resources, they will need a better understanding of how and why crime rates tumbled. A sour economy need not mean a return to lawless streets, but continued success in fighting crime will require more brains, especially in those neighborhoods where violence is still rampant and public safety is a tattered dream...
...more people in prison. The U.S. prison population grew by more than half a million during the 1990s and continued to grow, although more slowly, in the next decade. Go back half a century: as sentencing became more lenient in the 1960s and '70s, the crime rate started to rise. When lawmakers responded to the crime wave by building prisons and mandating tough sentences, the number of prisoners increased and the number of crimes fell...
...median age and the unemployment rate - help explain the ebb and flow of crime. Violence is typically a young man's vice; it has been said that the most effective crime-fighting tool is a 30th birthday. The arrival of teenage baby boomers in the 1960s coincided with a rise in crime, and rates have declined as America has grown older. The median age in 1990, near the peak of the crime wave, was 32, according to Conklin. A decade later, it was over 35. Today, it is 36-plus. (It is also true that today's young...