Search results for

Patients with Alzheimer's disease show clear damage to their brains as they age. But some have wondered whether this damage is a cause of the disease or a result of it. Scientists at the University of Minnesota have found a protein that appears to cause memory loss before brain damage appears.

President Bush's choice head the CIA, Air Force Gen. Michael Hayden, begins his confirmation hearings before the Senate Intelligence Committee Thursday. Sen. Pat Roberts (R-KS) and senators from both parties are expected to grill Hayden on issues of privacy and national security, particularly the role of the NSA in collecting the phone records of ordinary Americans.

For the past two decades, Kurds have traditionally gathered in Halabja, Iraq, in mid-March to mark a grim chapter in their history: the day when Saddam Hussein's government unleashed a poison-gas attack that killed more than 5,000 people. Thursday, that normally peaceful commemoration turned turbulent.

Belarus will hold presidential elections Sunday, and the current president, Alexander Lukashenko, is widely expected to win. The European Union and the United States accuse Lukashenko of crushing human rights, and warn of new punitive measures if the election is declared unfair.

House Speaker Dennis Hastert demands a retraction from ABC News for reporting that he was involved in an investigation of a corrupt lobbyist -- even after the Justice Department had denied the report. Hastert has said that someone inside the Justice Department might have led ABC astray in an effort to intimidate him.

Barry Bonds hits a 445-foot home run off Colorado Rockies' pitcher Byung-Hyun Kim, delighting the home fans in San Francisco. His 715 career home runs put him second on the all-time list behind Henry Aaron, who passed Ruth in 1974 and finished with 755 home runs.

World leaders are expressing outrage over an Israeli airstrike Sunday that killed more than 50 civilians -- many children -- in the southern Lebanese village of Qana. The pre-dawn attack flattened a building where several families had taken shelter. Grief and anger were evident and the scene of the bombing.

If the budget allows, the Census Bureau will be out with GPS devices in 2009 to pinpoint every American dwelling. The collected data is confidential, but some private companies might challenge that law.

Army Sgt. Tim Brumley says he had expected things to be pretty quiet in Afghanistan, where he was deployed last year after 10 months in Iraq. But he ended up losing his foot after being wounded in a major firefight with the Taliban.

The Marine Corps announces a second investigation into the deaths of unarmed civilians in Iraq. The first incident -- which left 24 Iraqis dead in the town of Haditha -- happened in November. The second occurred in April, in a town west of Baghdad. Marine Gen. Michael Hagee flew to Iraq on Thursday.