Sap is the sticky substance you see oozing out of tree trunks, and many varieties are edible. Here's what to know about eating sap, plus the risks and benefits.

Glycerin is a type of carbohydrate known as a sugar alcohol or a polyol. This odorless liquid has a sweet taste and a syrupy consistency. While glycerin occurs naturally in plants through the ...

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 ...

PROF. TIMMERMANS has chosen as a basis for his monograph on “Chemical Species” the definitions given by Wald in 1897, and used by Ostwald in 1904 in the Faraday Lecture in which he tried to show that ...