Hard water is the type of water that has high mineral content (in contrast with soft water). Hard water minerals primarily consist of calcium (Ca2+), and ...

The parties will establish a European joint-venture that controls Rock Tech's Guben Converter in Germany, as well as Arcore's Lopare project ...

The technique is pretty straightforward and potentially very cheap, but will need to be scaled up significantly to make a difference.

Jeffrey Bush, 37, was never seen again when he was sucked into the ground after a sinkhole estimated to measure around 20 ...