Comment Re:Ignorance is bliss (Score 1) 279
People go on with their lives. If you stop living then you're already dead.
Feed 'Yahoo Betrayed My Husband' (wired.com)
Submission + - Rosetta probe reveals Martian cloud systems
MattSparkes writes: "The ESA's Rosetta probe swooped around Mars on Sunday, completing a key manoeuvre in its 10-year mission to land on a distant comet. The 3-tonne probe came within 155 miles of the planet's surface, and took some incredible images that reveal cloud systems on the planet. "At this time of the Martian year, a large fraction of Mars' atmosphere is evaporating from the southern polar cap and will migrate to the northern polar cap during nothern winter. Over most of the Martian disk one can see large cloud systems.""
Bacteria To Protect Against Quakes 81
Roland Piquepaille writes "If you live near the sea, chances are high that your home is built over sandy soil. And if an earthquake strikes, deep and sandy soils can turn to liquid with disastrous consequences for the buildings built above them. Now, US researchers have found a way to use bacteria to steady buildings against earthquakes by turning these sandy soils into rocks. 'Starting from a sand pile, you turn it back into sandstone,' the chief researcher explained. It is already possible to inject chemicals into the ground to reinforce it, but this technique can have toxic effects on soil and water. In contrast, the use of common bacteria to 'cement' sands has no harmful effects on the environment. So far this method is limited to labs and the researchers are working on scaling their technique. Here are more references and a picture showing how unstable ground can aggravate the consequences of an earthquake."
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We warn the reader in advance that the proof presented here depends on a clever but highly unmotivated trick. -- Howard Anton, "Elementary Linear Algebra"
