ScienceDaily: Latest Science News

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• Structure of DNA repair complex reveals workings of powerful cell motor
• From cotton candy to rock: New evidence about beginnings of the solar system
• Advanced technology reveals activity of single neurons during seizures
• Debut of the first practical 'artificial leaf'
• Walnuts are top nut for heart-healthy antioxidants
• Taming the flame: Electrical wave 'blaster' could provide new way to extinguish fires
• 'Nano-bricks' may help build better packaging to keep foods fresher longer

Structure of DNA repair complex reveals workings of powerful cell motor Posted: 27 Mar 2011 04:12 PM PDT Over the last years, researchers have steadily built a model of how a powerful DNA repair complex works. Now, a new discovery provides revolutionary insights into the way the molecular motor inside the complex functions -- findings they say may have implications for treatment of disorders ranging from cancer to cystic fibrosis.

From cotton candy to rock: New evidence about beginnings of the solar system Posted: 27 Mar 2011 04:11 PM PDT The earliest rocks in our solar system were more like cotton candy than the hard rock that we know today, according to new research.

Advanced technology reveals activity of single neurons during seizures Posted: 27 Mar 2011 04:10 PM PDT The first study to examine the activity of hundreds of individual human brain cells during seizures has found that seizures begin with extremely diverse neuronal activity, contrary to the classic view that they are characterized by massively synchronized activity. The researchers also observed pre-seizure changes in neuronal activity both in the cells where seizures originate and in nearby cells.

Debut of the first practical 'artificial leaf' Posted: 27 Mar 2011 04:10 PM PDT Scientists have claimed one of the milestones in the drive for sustainable energy -- development of the first practical artificial leaf. Researchers have developed an advanced solar cell the size of a poker card that mimics the process, called photosynthesis, that green plants use to convert sunlight and water into energy.

Walnuts are top nut for heart-healthy antioxidants Posted: 27 Mar 2011 04:10 PM PDT A new scientific study positions walnuts in the number one slot among a family of foods that lay claim to being among Mother Nature's most nearly perfect packaged foods: Tree and ground nuts. A new analysis shows that walnuts have a combination of more healthful antioxidants and higher quality antioxidants than any other nut.

Taming the flame: Electrical wave 'blaster' could provide new way to extinguish fires Posted: 27 Mar 2011 04:10 PM PDT An exciting discovery could underpin a new genre of fire-fighting devices, including sprinkler systems that suppress fires not with water, but with zaps of electric current, without soaking and irreparably damaging the contents of a home, business, or other structure.

'Nano-bricks' may help build better packaging to keep foods fresher longer Posted: 27 Mar 2011 04:10 PM PDT Scientists are reporting on a new material containing an ingredient used to make bricks that shows promise as a transparent coating for improving the strength and performance of plastic food packaging. Called "nano-bricks," the coating could help foods and beverages stay fresh and flavorful longer and may replace some foil packaging currently in use, they said.

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