When traveling to the Thuringian Forest or the Harz Mountains, it is impossible to avoid coming across images that are difficult to get used to. Dead spruce trees (Picea abies) dot the landscape like ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

Wan Namkoong, Raymond C. Loehr, Joseph F. Malina, Jr. The removal of phenolic compounds in a well-characterized fine sandy loam soil was evaluated. Phenolic compounds were applied to the soil as ...

In everyday life, for example on food packaging, the word ‘pure’ usually means that something is in its natural state without anything added to it, like sweeteners or preservatives. Natural fruit ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

A necessary and sufficient condition for $\left|\underset -\infty \to{\overset \infty \to{\int}}f_{t}(u)F(dt)\right|=\underset -\infty \to{\overset \infty \to{\int}}|f_{t}(u)|F(dt),\forall u$ is found ...

As oranges are peeled, they spray a tangy, citrus scented oil into the air. The main compound in the fragrant mist is limonene, which can be collected from discarded peels and used in flavorings, ...

Cell lines have long served as tools for oncology drug discovery 5. Their track record in predicting efficacy in patients, however, has been mixed. Cell line models often have been chosen more for ...

Using zebrafish as a model, investigators have determined a suitable combination of chemical compounds in which to store hearts, and potentially other organs, when frozen for extended periods of time ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. One of forty-two (42) specimens ...