"The Mystery of Lyle and Louise"

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

Molded Polyethylene.

Also Called a Synizetic Knot

This colonial cyanobacteria is structured as several cells bound together in a gelatinous "mucilaginous sheath".

Anabaena is a genus of filamentous, un-branched Cyanobacteria consisting of bead-like cells and enlarged spores or heterocysts.

Plates include a large hole in the center and numerous 5 mm diameter perforations. Glazed on one side.

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

What are the forces that shape our world?

Double convex lens for optics experiments.

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

Organized, economical survey of fossils.

Four to six adults of each sex (including virgin females) have been carefully selected for the parent generation. Larvae will be visible within a week of receipt. Please order 7-10 days in advance.

We fully guarantee the purity and viability of our Drosophila melanogaster cultures. A large, vigorous culture is shipped in a shatterproof plastic vial. To ship Drosophila cultures with living larvae we require 10 days' notice prior to use date. During very cold weather, adult flies may die but eggs and larvae usually survive. Allow cultures to come to room temperature before checking under low magnification for eggs and live larvae. Complete instructions are always included.

Spirogyra is a genus of filamentous green algae with chloroplasts arranged in a helical (spiral) pattern.

Demonstrate amoeba structure, locomotion, and feeding behavior.

Use Sordaria fimicola to allow students to visualize the results of crossing over during cell division.

Various sizes. Packages of 12.