"The Mystery of Lyle and Louise"

Model Neuron Pathways.

These peripheral venous catheters are made of FEP polymer with high lubricity for easy insertion

This model of the HIV virus is enlarged millions of times to show the outer lipid membrane with protein structures and the internal nucleoproteins and contained RNA.

Ectoparasite

Easy One-Handed Operation.

How Do Common Household Chemicals React?

Pink and gray bands, with biotite; shows good foliation.

Gray to buff, with numerous ooliths and fossil fragments.

This one pound bag of #16 rubber bands make perfect belts for pulley driven mechanisms.

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

Brownish black, intermediate stage between peat and bituminous coal.

Light gray, fine small clasts.

Dense and massive.

Hematite-cemented quartz; orthoquartzite.

Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.

Chlorite-bearing.