Model the structure of DNA using color-coded parts. Includes: Student and teacher guides (that overview DNA structure, base pairs, and replication)...

Includes the following: 256, C'320, E' 384, G'; and 512, C"....

Surface of Mars Poster - This unique poster looks at Mars from the vantage point of a tourist with a travel guide who is visiting the planet's most interesting sites and features, such as Syrtis Major and the famous Olympus Mons. It also offers a 3-D look at the Valles ...

Risks of Obesity Chart...

Handbook of Diagnostic Tests...

Map of the Sky - This outstanding jumbo-sized poster features the sky and constellations in intricately detailed illustrations. Printed in full color on heavyweight paper. Size: 27" x 38 1/2"....

Handbook of Psychiatric Drug Therapy...

Worldwide unique original cast of human vertebrae with most precise illustration of even finest anatomic structures, exhibiting excellent quality. The set includes the 7 cervical, 12 thoracic and 5 lumbar vertebrae. ? Made of 3B BONElikeTM material, feels and looks like...

Alcoholism - Dangers of Alcohol Chart...

Clear plastic protractors are ruled in 1° graduations to 180°. They measure up to 10 cm in the cut-out center and 6" on the bottom....