In science, the word pure means a substance made from one element or just one compound ... Impurities can also change the properties of substances. Gritters spray salty grit onto roads in winter.

A chemical element is one of those ... which we could call a ‘pure substance’ instead. Receive a weekly dose of discovery in your inbox! We'll also keep you up to date with New Scientist ...

Compounds are a second type of pure substance. Compounds always have the ... But what if my sample has several different types of elements and compounds all mixed together? Matter can also be ...

In essence, garlic powder is simply dehydrated garlic cloves. But when it comes to the science of things, is it considered a ...

Since this podcast was first published, the name of this element has been ratified by the International Union of Pure and Applied Chemistry (Iupac ... a rock and extracting from it some mysterious ...

a prolific investigator of new elements, who also identified a set of new lines a couple of years later, or definitively Eugene-Anatole Demarçay, who produced a europium salt in 1901 (it took many ...

Tycho Brahe was also one of Johannes ... the presence of nine chemical elements on some vessels' external and internal surfaces. The most noteworthy substance identified was tungsten, discovered ...

The opening couple minutes of The Substance are elegantly efficient ... but its inanimate subject does — degraded by the elements and foot traffic, increasingly ignored by tourists ...

These advances come at a cost, though, as the rare earth elements needed ... above which a substance loses its magnetic properties. At room temperature, a pure bar of neodymium wouldn’t be ...

A compelling book uncovers little-known aspects of the iconic chemist’s life, and the pioneering — if troubled — careers of ...

This article contains spoilers for a whole bunch of silly movies.

In science, the word pure means a substance made from one element or just one compound ... Impurities can also change the properties of substances. Gritters spray salty grit onto roads in winter.