"The Mystery of Lyle and Louise"

ASPIR-8™ is the only reservoir that is tailor-made for your 8-channel instrument.

Use the two sets of symmetrical round jaws for simultaneously holding two round objects, each up to 35 mm in diameter. Each of the rubber-coated clamps rotates 360° and may be locked at any angle. The unit attaches to any standard support rod up to 13 mm in diameter.

Quality glassware at an affordable price.

Various sizes. Packages of 12.

The economical and durable Dyla-Dual magnetic hotplate stirrers are ideal for general heating and stirring.

Organized, economical survey of fossils.

Students Apply Science Principles and Relate the Conclusion to a Criminal Investigation

Adhesive bandages are available in durable plastic, sheer, or flexible fabric formats to meet a wide variety of wound treatment requirements.

Primer balances are the perfect scales for budding scientists.

This replacement high-concentration diamond wheel is six inches in diameter.

Set of nine brass hooked weights ranging from 10 to 1000 g, perfect for classroom or lab experiments. Supplied in a wooden block for easy storage.

This organism is a common environmental isolate, and can be found in soil as well as in industrial settings.

Colorless, most widely dispersed of the Serratia species. 

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Grass frogs are low maintenance and seasonally available, typically from September to July.

This organism is easily recognized by its trumpet-shape, and can commonly be found in freshwater ponds and streams. It reproduces by budding.