Once shunned by academics, Wikipedia now a teaching tool (AFP)

AFP - Wikipedia, the upstart Internet encyclopedia that most universities forbid students to use, has suddenly become a teaching tool for professors.

Over 20 dead in Mo., Okla., Ga. after new round of storms (AP)

AP - Stunned survivors picked through the little that was left of their communities Sunday after tornadoes tore across the Plains and South, killing at least 22 people in three states and leaving behind a trail of destruction and stories of loss.

VW, Sanyo to develop lithium-ion battery: paper (Reuters)

Reuters - German carmaker Volkswagen and Japan's Sanyo Electric Co will jointly develop a lithium-ion battery to be used in hybrid and electric cars, the Nikkei financial daily reported on Sunday.

Tornadoes kill at least 22 across US (AFP)

AFP - Rescue crews searched through rubble for survivors after tornadoes tore across the United States at the weekend, killing at least 22 people and shattering homes and businesses, officials said.

Lebanese violence spreads to mountains outside capital (AP)

AP - Lebanon hung between fears of all-out war and hopes of political compromise Sunday as government supporters and opponents battled with rockets and machine guns in the mountains overlooking the capital.

Gas prices knock bicycle sales, repairs into higher gear (AP)

AP - Four-dollar-a-gallon gas is good for business — if you run a bike shop. Commuters around the country are dusting off their old two-wheelers — or buying new ones — to cope with rising fuel prices, bicycle dealers say.

Boat carrying aid for Myanmar cyclone victims sinks (AP)

AP - Myanmar's monumental task of feeding and sheltering 1.5 million cyclone survivors suffered yet another blow Sunday when a boat laden with relief supplies — one of the first international shipments — sank on its way to the disaster zone.

Oil powered Norway gradually turns into the wind (AFP)

AFP - As Norway prepares for a future after oil, the gale-force potential of harvesting wind power off its long coastline has become an increasingly attractive proposition.

Medical helicopter crash in Wis. kills doctor, nurse, pilot (AP)

AP - A medical helicopter dropped off a patient and then crashed shortly after it took off on its return flight to Madison, killing the surgeon, nurse and pilot on board, officials said Sunday.

Debt woes drive thousands of Indian farmers to suicide (AP)

AP - On the last night of his life, the farmer walked into his dusty fields, choked down pesticide and waited to die.

Genetic sleuths unmask secrets of big tomatoes (Reuters)

Reuters - The secret behind growing large tomatoes lies not in the fertilizer or the perfect soil conditions, but in just a few genetic changes that over time have resulted in tomatoes 1,000 times bigger than their wild ancestors, U.S. researchers said on Sunday.

Republican convention chief quits after Myanmar ties revealed (AFP)

AFP - The coordinator of the Republicans' 2008 presidential convention has resigned after revelations that he was paid to bolster the dismal US image of Myanmar's military junta.

Bloated bodies litter Myanmar, forgotten after the cyclone (AP)

AP - As the bloated bodies rise and fall with the current, women scrub clothes along the river bank, villagers bathe to cool themselves and a lone child sits on a dock staring aimlessly into the water.

Mother's Day celebration reaches 100th anniversary (AP)

AP - On this 100th anniversary of Mother's Day, the woman credited with creating one of the world's most celebrated holidays probably wouldn't be pleased with all the flowers, candy or gifts.