The mid-nineteenth century saw the development of a radical new direction in chemistry: instead of simply analyzing existing molecules, chemists began to synthesize them—including molecules that did ...

Chemistry is a branch of science that involves the study of the composition, structure and properties of matter. Often known as the central science, it is a creative discipline chiefly concerned with ...

Tutor Doctor provides in-home and online tutoring services. Since its founding in 2000, it has provided customized academic support across various grade levels and subjects. Tutor Doctor uses ...

Recognized for its moisturizing and nourishing qualities, castor oil is commonly used in numerous health and beauty products. This material is derived from the seeds of the castor plant, originally ...