"gel+box"

Equal mass cylinders for density investigations.

Pale pink felsite, with small sanidine phenocrysts.

Toothpicks made of wood.

Dark brown to black; polycrystalline zinc ore.

Disposable stethoscope designed for single patient use.

Gray to white, coarse crystalline, carbonate rock.

Light gray, fine small clasts.

Abundant small black phenocrysts in a gray to brown matrix.

The essential tools of molecular biology in one handy bundle!

Get hands-on experience with the principles and practice of qPCR.

Gray with line crinoid columnal fragments.

Investigate these Small Saltwater Organisms

Cut black mica cleavage sheets.

Good grade, bronze-colored ore, massive.

Seasonal changes, the positions of sunrise and sunset and the special circumstances of solstices and equinoxes are easily demonstrated and examined.

Fast and robust PCR-based GMO detection from your favorite foods.