(Nanowerk Spotlight) The Periodic Table of Chemical Elements is one of the most significant achievements in science, capturing the essence not only of chemistry, but also of physics, medicine, earth ...

The story of the fifteenth element began in Hamburg, in 1669. The unsuccessful glassblower and alchemist Hennig Brandt was trying to find the philosopher’s stone, a mythical substance that could turn ...

So the periodic table has expanded again with the addition late last year of four new superheavy elements, bringing the known total up to 118. But the hunt for new elements started with efforts to ...

A computer graphic shows how the collision of calcium ions and berkelium atoms produces atoms of Element 117. (Credit: University of California Television) The scientific body in charge of chemistry’s ...

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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 ...

The seventh period of the periodic chart is now complete, thanks to the addition of four new elements. For now, they're known by working names, like ununseptium and ununtrium — two of the four new ...

Kids have to memorize four new elements, now that the powers that be in the world of chemistry have expanded the periodic table. The International Union of Pure and Applied Chemistry has accepted the ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

Some asteroids have measured densities higher than those of any elements known to exist on Earth. This suggests that they are at least partly composed of unknown types of "ultradense" matter that ...