Archive: 17/11/2006

Scrap tires can be used to filter wastewater

Every year, the United State produces millions of scrap tires that clog landfills and become breeding areas for pests. Finding adequate uses for castoff tires is a continuing challenge and illegal dumping has become a serious ...

dateNov 17, 2006 in Environment
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Learning the magnetic ropes

At the Sun's edge, in a region called the heliosphere, magnetic fields and electrical currents align and twist themselves in massive three-dimensional structures called "magnetic flux ropes." As these ropes kink, they become ...

dateNov 17, 2006 in General Physics
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Dendritic cells stimulate cancer-cell growth

Since their discovery at Rockefeller University some 30 years ago, dendritic cells have been recognized as key players on the immune-system team, presenting antigens to other immune cells to help them respond to novel insults. ...

dateNov 17, 2006 in Medical research
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X-ray Transit of Mercury

To appreciate the majesty and power of a typical G-type star, you need only glance at this photo... The tiny black speck is Mercury. The star looming in the background is our own sun.

dateNov 17, 2006 in Astronomy
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