NATO

How NATO Works

United States Secretary of State Condoleezza Rice met with NATO foreign ministers to demand that the alliance introduce sanctions against Russia for its operations in Georgia. Where did NATO come from? And what does it do?

Alcohol

How Alcohol Works

Several college presidents, including those at Duke, Dartmouth and Ohio State, are urging lawmakers to consider changing the legal drinking age from 21 to 18. They argue that current laws actually encourage dangerous binge drinking on campus.

AIDS

How AIDS Works

According to health experts, HIV and AIDS are growing problems in India. In response to this epidemic, a cell phone ring tone that sings "Condom, condom!" has been launched to promote safe sex.

Barack Obama

How Barack Obama Works

During a fundraiser in San Francisco, Sen. Barack Obama promised campaign donors that he will win the impending presidential election and reclaim the White House for the Democrats this fall. What has Obama accomplished in his political career thus far?

Satellites

How Satellites Work

Iran successfully launched a test rocket, which it plans to refire later carrying a research satellite into space. The rocket, aka Safir or messenger, is the first step toward putting an Iranian satellite in orbit. What do satellites do once in orbit?

Wind Power

How Wind Power Works

New research suggests living near wind energy farms could cause a variety of physical ailments, including sleep disorders, difficulty with equilibrium, headaches, childhood night terrors and other health problems. How do wind turbines work?

videos: exploring our universe

today's trivia

What year did Theodore Roosevelt become the first U.S. president to ride in an automobile?

trivia trivia