CHICAGO — One of the more recent developments in sunscreen technology is the addition of iron oxide to mineral sunscreens. Iron oxide is "an excellent pigment" that absorbs and blocks visible light, ...
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 organic—from ...
Phosphorus is a key element for all life on Earth. For decades, researchers thought that, in nature, only enzymes could transform organic phosphorus—phosphates within biomolecules—into its ...
The thermite process is a handy way to generate molten iron in the field. It’s the reaction between aluminium metal and iron oxide, which results in aluminium oxide and metallic iron. It’s hot enough ...
About 3,000 years ago in ancient Mesopotamia, brickmakers imprinted the names of their kings into clay bricks. Now, an analysis of the metal grains in those bricks has confirmed a mysterious anomaly ...
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