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POPSPyramids packed with fossil shells. They say that seashells prove that the rock was quarried, instead of cast in moulds. I can't imagine how making their own 10 tonne bricks in moulds would have made things any easier. Maybe just adding another stage to a process that was already a huge undertaking. I also heard once that after something is build it hasto 'settle' into into it's foundations, Very few builders or architects have been able to find a way to overcome this, but with their weight, and perfect seams with no mortar, the pyramids have only settled a fraction - perhaps a few inches, over thousands of years. Something that seems much more likely with solid rock than bricks. If only the library in Alexandria hadn't burned down with all of the blueprints.
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POPS50 ways to use bacon! Many of these have been clipped, but here they are in one tidy little clip. Enjoy! Thanks Alanocu for the tip.
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POPSUndoing America's Ethanol Mistake
Expanding biofuels while refusing to take other measures, such as lifting the ban on oil and natural gas production in Alaska and the Outer Continental Shelf, is counterproductive. We should be tapping into a broad portfolio of energy options, including clean coal, nuclear power and wave energy. By taking these measures, we can enable biofuels to be part of the energy solution, instead of contributing to the energy problem. Restraining the dangerous effects of artificially inflated demand for ethanol should be an issue that unites both conservatives and progressives. As a recent Time cover story pointed out, biofuel mandates increase greenhouse gasses and create incentives for global deforestation. In the Amazon basin, huge swaths of forest are being cleared to meet the growing hunger for biofuels. In addition, relief organizations are facing gaping shortfalls as the cost of food outpaces their ability to provide aid for the 800 million people who lack food security.
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