* Possible Earth-sized, habitable planets found: A NASA telescope seems to have discovered five planets that are about the size of Earth and could support...
* Thunderstorms produce antimatter, scientists find: Scientists using a NASA instrument have detected beams of a rare, mirror-image form of matter above storms...
* Sticks appear as "dolls" in hands of chimps: Some chimpanzees have been sighted playing with sticks in a manner reminiscent of doll play, scientists are...
* "Forests" detectable even in distant solar systems, scientists suggest: Once humans start imaging Earth-like planets in other solar systems, tree-like life...
* "Liberal gene" identified: People with a specific gene variant tend to develop into liberals if they also have many friends as teenagers, a study suggests. ...
* Societies evolve a bit like creatures, study concludes: Increases in political complexity are usually gradual, as is the case with the complexity of living...
* Candidate "habitable" planet described as most promising yet: Two other candidates were possibly too cold and too hot, but this one seems just right,...
* Bizarre dinos found: A fossil with a stupendously multi-horned face and another likened to a giant rhino with a supersized head have reportedly turned up in...
* Drug-resistant germs found to help their brethren through the attack: Confronting assault by antibiotics, some bacteria help each other out, researchers say....
* "Psychedelics" could find new lease on life -- in the doctor's office: Sometimes touted as spiritual aids, certain illegal, hallucination-inducing drugs are...
* Drug said to thwart mental decline, grow brain cells in rodents: Research has turned up clues to a mechanism that could lead to a for Alzheimer's disease...
* Scientists report first cell made with artificial genes: Their "synthetic genome" is a near-copy of a natural one, but researchers say their method can be...
* Scientists explore whether some apes shake heads for "no": Preventing an action by someone else may be one purpose for which bonobos shake their heads, a...
* Mostly-male book images may reduce girls' science scores: In a small study, a gender gap in school science scores flipped when students used a text showing ...
* You may still have to avoid T. rex: A leech that turned up in a girl's nose has been dubbed the "T. rex" of its kind by scientists. They say its ancestors...
* "Last Supper" got ever bigger in paint: study An analysis suggests a trend of growing portion sizes, today often blamed on fast-food places, might have...
* Quake moved whole city: The massive earthquake that struck Chile last month moved an entire city at least 10 feet (3 meters) to the west, scientists say. ...
* Vitamin cocktail found to extend youthfulness in mice: A complex mix of ingredients available in many drug stores was noted in a study to help keep mice ...
* For healthy mental aging, brain games may fill in for schooling: People with less education can avoid the increased risk of memory loss, a study suggests. ...
* Scientists create "memories"; in isolated brain slices: Researchers say the effect occurred thanks to an obscure type of cell first described in 1893. ...
* It's not an earthquake -- it's an aftershock from long ago: Some "earthquakes" that occur in unusual locations may really be aftershocks of quakes centuries...
* Could birth control pills alter mate choices?: Contraceptive pills may alter women's abilities to choose, compete for and retain mates, scientists say. ...
* Pre-"Lucy"; fossils reveal secrets: The last common ancestor of chimps and humans was probably not as chimp-like as widely believed, researchers report. ...
