Word: knowns
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Dates: during 2000-2009
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...memory-robbing disorder. Two groups of researchers, working separately, homed in on three genes linked to the late-onset form of the disease, the type that hits people in their 60s or later and accounts for 90% of Alzheimer's cases in the U.S. Two of the genes are known to interact with the amyloid-protein plaques that build up in the brain of Alzheimer's patients and eventually cause nerve-cell death and cognitive problems. The third affects the junction of nerve cells, where various neurochemicals work to relay signals from one nerve cell to another...
...agony, and George W. Bush stood before a joint session of Congress, telling Americans where to direct their rage. "Americans are asking, 'Who attacked our country?'" Bush declared early in his remarks. "The evidence we have gathered all points to a collection of loosely affiliated terrorist organizations known as al-Qaeda." (See pictures of the battle against the Taliban...
...Shabab's members are very clear about their objective: to overthrow Somalia's government and enact the strict Islamic law known as Shari'a. The group has banned music, videos, shaving and even bras in the areas it controls and maintains control through often brutal methods. Women accused of adultery are publicly stoned to death; teenaged thieves have had their limbs severed; one Somali said his brother was killed simply for selling phone cards to Ethiopian troops. Although Somalia is a majority Muslim nation, its faith has traditionally been far more moderate; the repressive al-Shabab is viewed by most...
...security experts what violent extremist group costs them the most sleep at night and the answer might very well be al-Shabab. Though not as far-reaching or well-known as al-Qaeda, the Somalia-based al-Shabab is particularly troubling to American officials due to its active recruitment of U.S. citizens - particularly from the large Somali community in and around Minneapolis - to join its battle against Mogadishu's weak interim government. In October 2008, the first known American suicide bomber - a 26-year-old Somali-American fighting with al-Shabab - blew himself up in northern Somalia...
...well as against aid groups and African Union peacekeepers operating in the country. Its members are mainly Somalis, though it has also attracted fighters from the U.S., Yemen and Pakistan as well as recruits from other African nations. The official head of al-Shabab is Sheik Mohamed Mukhtar Abdirahman, known as Abu Zubeyr, though several senior officials are believed to guide the group, which is divided into three regional units. Al-Shabab has claimed an affiliation with al-Qaeda since 2007, and its leaders are believed to have received training at al-Qaeda camps in Afghanistan. In February...