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A growing number of Americans are embracing ethanol and bio-diesel as possible alternatives to gasoline. But one Berkeley engineering professor is waging a campaign against what he considers a delusion about bio-fuels.

The political clout of the militant Islamist group Hamas is rising. The group's candidates are expected to do well in next week's Palestinian parliamentary elections, with current polls showing Hamas winning at least one-third of the seats. That scenario presents a challenge for Israel.

A worn-out space suit on the International Space Station is getting a second life as a satellite. On Friday, astronauts will throw the suit out the orbiter's hatch. Those stuck on Earth will be able to track and listen to the suit as it circles the planet.

Pakistani government sources report that four senior al Qaeda figures were among those killed in a U.S. missile strike on a village near the Afghan border last week. Al Qaeda's No. 2 official, Ayman al-Zawahiri -- the intended target of the attack -- was not hurt.

Firefighters in the Texas panhandle continue their efforts to contain grass fires that have burned almost one million acres. However, Wednesday's strong winds that sent flames marching 40 miles to the northeast have died down.

New Orleans politicians are deep into campaign mode for the April 22 citywide election. It's a strange campaign because half the potential voters are scattered around the country. The state has made some accommodations, setting up "satellite" polling stations in other Louisiana cities.

U.S. and Iraqi forces launch what the military describes as the largest air assault since the 2003 U.S.-led invasion. The U.S. military says Operation Swarmer is aimed at clearing "a suspected insurgent operating area" northeast of Samarra.

In the Horn of Africa, a drought is killing livestock across a wide swath of Somalia, Kenya and Ethiopia. The United Nations estimates that more than 6 million people in the region are at risk of running out of food and water as a result of the drought if aid doesn't arrive soon.

Recent changes in abortion laws have turned abortion politics upside down. Republicans who have been promoting abortion restrictions as part of their campaigns are worried that sweeping state bans might scare away swing voters. Democrats are using those same bans to paint Republicans as extreme.

Barbara Kafka's Vegetable Love is a primer on how to handle produce and a recipe collection for making magic out of something as common as a carrot.

It is the Zapruder film of birding: Four seconds of what some scientists say is proof that the ivory-billed woodpecker is not extinct. Now, skeptics have deconstructed every frame and say the bird caught on film is just a common pileated woodpecker.

Bolivia's new president Evo Morales' much-photographed sweater is making a big fashion statement. The sudden popularity of the multicolored, striped sweater has inspired a La Paz manufacturer to turn out a thousand sweaters like it.