No gold jewellery, including 14-carat gold, which has low purity, rusts. Gold jewellery ages whether worn or not, but it does ...

In solids, this low surface energy provides excellent oil and water repellency, enhancing stain resistance in carpets and furnishings ... modified clays, or iron-oxide compounds, the migration and ...

Iron oxides, traditionally seen as phosphorus "sinks," are now recognized as efficient natural catalysts that convert organic phosphorus into its inorganic form, essential for plant growth.

Now, researchers report iron oxides can drive the same conversion at comparable rates as enzymes. The study adds yet another missing piece to nature's mysterious phosphorus cycle that can be used ...

Most phosphorus in the environment is in an organic form that plants cannot directly use, and traditional understanding suggested only enzymes could convert it into the bioavailable inorganic form.

Northwestern University researchers are actively overturning the conventional view of iron oxides as mere phosphorus “sinks.” A critical nutrient for life, most phosphorus in the soil is ...

Amazon’s Big Spring Sale is back and with it comes hundreds of deals across every major category you could want — including tech, vacuums and beauty. There are also a number of discounts on ...

Stains below the water line or in streaks where water flows in after each flush are usually mineral deposits. Manganese and iron, which are found in tap water in many parts of the country ...