Archive for March 29th, 2010

We are not all blessed with the brains, beauty, luck, and capital that we associate with highly successful business people or entrepreneurs. Although most new business ventures fail, a few prosper and grow rapidly. A new article demystifies this game of success, and shows that exceptional performance is not necessarily the direct result of special talent, experience, or sheer luck.
 
Women who have been treated for breast cancer can choose to become pregnant and have babies, without fears that pregnancy could put them at higher risk of dying from their cancer, according to a major new study.
 
Pathogenic bacteria in the gut recognize their surroundings by detecting hormone signals from the host, which can prompt them to express lethal toxins. Intercepting these hormonal messages could be a better way to treat serious food-borne infections where antibiotics do more harm than good.
 
Like a band of detectives surveying the movement of a criminal, researchers using photographic technology have caught at least one culprit in the act. In this case, electron microscopy was used to watch a deadly bacteria breakdown cell walls in wine grape plants -- an image that previously had not been witnessed.
 

Whisking quietly through the night, around buildings, trees and even branches, bats have a keen sense of their surroundings despite darkness. Researchers have known for decades that bats use their sonarlike echolocation to "see" potential obstacles as well as prey. But bats' execution of their airborne acrobatics often got scientists wondering just how they could be so specific--even while moving at high speeds through dense vegetation. [More]

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Whisking quietly through the night, around buildings, trees and even branches, bats have a keen sense of their surroundings despite darkness. Researchers have known for decades that bats use their sonarlike echolocation to "see" potential obstacles as well as prey. But bats' execution of their airborne acrobatics often got scientists wondering just how they could be so specific--even while moving at high speeds through dense vegetation. [More]

Add to digg Add to StumbleUpon Add to Reddit Add to Facebook Add to del.icio.us Email this Article

 

Whisking quietly through the night, around buildings, trees and even branches, bats have a keen sense of their surroundings despite darkness. Researchers have known for decades that bats use their sonar-like echolocation to "see" potential obstacles as well as prey. But bats' execution of their airborne acrobatics often got scientists wondering just how they could be so specific--even while moving at high speeds through dense vegetation. [More]

Add to digg Add to StumbleUpon Add to Reddit Add to Facebook Add to del.icio.us Email this Article

 
 
Monday, March 29th, 2010

Innocent? Or guilty? As any judge can tell you, it’s not so simple.  What was going in the defendant’s mind is important.  Underlying intent is a pretty big deal when it comes to moral judgment.

Past studies have shown that an area of the brain, the right temporoparietal junction, shows increased activity when people read about another’s intentions or beliefs.

[More]

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When people, groups, or organizations are looking for a fresh perspective on a project, they often turn to a brainstorming exercise to get those juices flowing. An upcoming study from Applied Cognitive Psychology suggests that this may not be the best route to take to generate unique and varied ideas.
 
Researchers believe they have uncovered the basis how marine mussels use the byssus, a bundle of tough and extensible fibers, to fasten securely to wave-swept rocky coastlines. According to their findings, local accumulation of iron-mediated cross-links creates hard knobs within an extensible matrix containing much fewer of these molecular bridges. Such a design could be an interesting concept for developing novel abrasion-resistant, highly extensible coatings.
 

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