Money How much water do you use? Americans aren't sure, survey shows March 10, 2014, 4 a.m. In fact, Americans use twice the amount of water they think they do. And many don't know how they can save water by using low-flow toilets and a different clothes washer. 3 4 Health American returns to Mother Russia to compete at Sochi Winter Paralympics March 10, 2014, 4 a.m. Tatyana McFadden has already conquered the Summer Paralympics and the wheelchair marathon circuit. Her attitude has always been "What can I do next?" she says. Law FBI steps in to help unravel the mystery of missing Malaysian aircraft March 10, 2014, 4 a.m. With at least three U.S. citizens on board, the FBI says it has reason to assist in the search and is sending its own agents to help. 3 4 Science Zircon crystal sheds new light on Earth's formation March 7, 2014, 5 a.m. The crystal was estimated to be about 4.4 billion years old. It is much smaller than a grain of rice. Kids SAT exam gets a makeover, essay and unusual vocabulary dropped March 7, 2014, 5 a.m. The SAT test will be condensed to two sections from the current three. There will be an optional essay section colleges may require students to take. The changes take effect in 2016. 3 7 War & Peace After takeover, Crimean Tatars fear surge in Russian nationalism March 7, 2014, 5 a.m. Crimea's Tatars have deep roots in the region. And a bloody and tragic history. Arts Enthusiasts snap up rap lyric street signs March 6, 2014, 5 a.m. In December, a New York artist went to LA and put up 45 signs with rap lyrics on them. They soon got taken down, not by the city it seems, but by street-art fans. 1 2 Money Helping homeless college students March 6, 2014, 5 a.m. Georgia is creating an outreach program to help homeless students at the state's public campuses. Nationwide, more than 58,150 college students identify themselves as homeless. Science Scientists turn to Chinese woodblocks for cell printing March 6, 2014, 1:59 a.m. An ancient technique comes in handy for today's high-tech labs. 2 7 Health White House wants food labels to show what we really eat March 5, 2014, 5:40 a.m. The changes are aimed at fighting obesity and other long-term diseases like diabetes. Science DNA detectives get teeth to talk March 5, 2014, 5:39 a.m. By trapping bacteria, plaque that forms on teeth can give us information on what our ancestors ate and what diseases they fought. The clues come from DNA testing. Law Tallest peak or tallest pigsty: Nepal struggles with trash on Everest March 5, 2014, 5:39 a.m. With more and more people climbing Mount Everest, the country of Nepal is struggling to get climbers to not leave their trash on the world's tallest mountain. 1 3 Arts After its Martian invasion broadcast, tragedy struck Ecuador radio station March 4, 2014, 5 a.m. Thousands panicked when "The War of the Worlds" was broadcast in the U.S. and later in Chile. When the show aired in Ecuador in 1949 an angry mob set the radio station ablaze. Science Crippled telescope hits the planetary jackpot March 4, 2014, 5 a.m. NASA's Kepler has uncovered more than 700 new planets despite losing its pointing ability last year. Planetary scientists are "super excited" about the new finds. Health Parkour: A flashy way to stay fit March 4, 2014, 5 a.m. One newcomer to the sport wants to learn the kind of wall-scaling, fence-hopping, obstacle-conquering moves she's seen on online videos shared by her rock-climbing friends. War & Peace Ukraine warns it's on "brink of disaster" as Russia seizes Crimea March 3, 2014, 3:24 p.m. After Ukraine's president fled to Moscow, Russian troops entered Ukraine's region of Crimea. Europe and the U.S. are pressuring Russia to pull back to avert war between the two countries. 2 4 Health Study says stop being a couch potato, get up and move more March 3, 2014, 5 a.m. This could explain why stand-up comics might be healthier than the audience in their seats. 1 2 Law Obama announces initiative to help young minority men succeed March 3, 2014, 4 a.m. The effort resembles others in Obama's second-term agenda, as it seeks participation from businesses and individuals and doesn't depend on the approval of Congress. 1 3 Science Oldest human skeleton in the Americas to be reburied Feb. 28, 2014, 5 a.m. The bone fragments, about 12,600 years old, are the sole human remains associated with the Clovis culture. Arts Jamaica's renowned music school aims to beat a financial squeeze Feb. 28, 2014, 5 a.m. Its graduates have brought the island's ska, rocksteady and reggae to the world. The school is building up its own money-making businesses so that the bands play on. Law National black history museum being built in Washington Feb. 28, 2014, 5 a.m. The Smithsonian's National Museum of African American History and Culture is expected to open its doors late next year or in early 2015. 2 4 Kids University aims to create college-going culture among kids Feb. 27, 2014, 5 a.m. Western Washington University's program to get kids thinking about college has reached into 350 classrooms and touched the lives of about 9,000 young students. Law Native Americans want to kill "the black snake" Feb. 27, 2014, 5 a.m. In South Dakota, tribes are preparing for nonviolent battle aimed at TransCanada, the company that wants to develop the 1,700-mile Keystone XL oil pipeline. Kids Program serves up squash to inner-city kids Feb. 27, 2014, 5 a.m. SquashSmarts in Philadelphia is an after-school program. It is among 15 clubs nationwide using the game to help underprivileged students through physical fitness and tutoring.