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The oil stopped up spilling from the Deepwater stratum wellhead months ago, but the disparity of Mexico’s environmental heroic tale continues. Researchers experience investigated the chemicals used to disperse the oil rate in the first place, and remuneration that these “dispersants” didn’t disperse. The event of this large natural science experiment, however, are silent unknown.
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This Self-healing Concrete Repairs Itself with Bacteria - 80beats : 80beats
Concrete cracks for many reasons: just for starters, the heating and cooling of changing seasons make it expand and contract, and the stress produced as the impertinently poured goo dries and shrinks in volume, pulling against its underlying metallic supports, can as well cause cracks. But Dutch researchers are testing a new way to deal with the problem of neat concrete: bacteria that, when exposed to water, signifier limestone. The building material mix they’ve highly-developed contains bitty ceramic pods full with dormant spores of the bacteria and nutrients (calcium lactate) to feed them.
Chemical Dispersants Used in the BP Oil Spill Lingered in the Ocean Depths - 80beats : 80beats