The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead ...

Naturally occurring superheavy elements beyond those listed in the periodic table could potentially explain why asteroid 33 Polyhymnia is so dense, new research suggests. When you purchase through ...

Our modern lives depend on rare earth elements, and someday soon we may not have enough to meet growing demand. Because of their special properties, these 17 metallic elements are crucial ingredients ...

Rare earth elements are necessary for modern technology, including green energy, but they only come from a few sources around the globe. New research has discovered them hiding in coal mines in the ...

In August, the world should have been celebrating the first global agreement to end plastics pollution. Instead, negotiators from more than 180 countries ended the latest round of talks in Geneva, ...

T. Practical Proofs of Chemical Laws: a Course of Experiments upon the Combining Proportions of the Chemical Elements. Nature 53, 29 (1895). https://doi.org/10.1038 ...