Snow has returned to the Philadelphia region, and along with it the white residues on streets and sidewalks that result from ...

Perhaps surprisingly, the salt concentration of the oceans has been fairly constant over at least the past 500 million years ...

Find the best electrolyte powders and drinks for rehydration and energy, reviewed by experts. Brands include Liquid I.V., ...

Gold is generally associated with pyrite (iron disulfide, FeS2), and pyrite-induced gold precipitation is critical to the ...

An innovative approach to battery materials could bring sodium-ion energy density and charging speeds far closer to those of ...

Scientists have launched a fresh effort to find out what could be producing oxygen at the bottom of the Pacific Ocean.

Dot and cross diagrams help us to model when ions are formed from atoms. Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many electrons ...

Blue Heat, Safe-T-Salt, Snow Joe, Ice Slicer. These snappy brand names are pretty much all you have to go on when choosing an ice melt, leaving no sign of whether they’ll damage the concrete, harm ...