Colored gemstone dealer Bill Vance (Vance Gems, Newark, Delaware) showed us some transparent examples of magnesio-axinite, a rare magnesium-dominant member of the axinite group of minerals. Axinite ...

The term "alert and oriented" (AO) is a medical notation describing a person's level of consciousness and cognition (the ability to understand and learn through thought, experiences, and the senses).

The use of "anno domini" and "before Christ" to mark time began in the early days of Christianity, and they're still used to track calendar years today. When reading historical texts or delving ...

A genetic regulator of tomato sweetness has been identified through comparison of wild and domesticated varieties of the plant. Genetically engineering tomatoes to alter this gene increases sugar ...

Geology is dominated by numerous phases of biotite feldspar hornblende ("BFP") porphyry dykes and stocks exhibiting alteration from chlorite and epidote to chlorite-magnetite, and moderate quartz ...