"The Mystery of Lyle and Louise"

Simplifies exercise band and exercise tubing use.

This model of the HI-Virus, enlarged millions of times, shows the outer lipid membrane with protein structures, and the internal nucleus which contains the viral hereditary matter (RNA).

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.

Similar to our Beaker Brush, this tool features two rows of bristles and a double-tufted fiber end. Brush area is 2.5cm dia. x 10cm long; overall length: 41cm.

Reveal the Nature of Color and Light

The HelpingHands magnifier from Carson is a hand-held or hands-free, fully adjustable LED lighted soldering and hobby magnifier.

Pre-mixed, and ready to use, this master mix contains DNA polymerase, dNTPs, MgCl₂, and reaction buffers at optimal concentrations for the amplification of DNA via PCR. Its special formulation allows for direct loading of PCR samples into agarose gels as well as tracking the migration during electrophoresis without the need for loading dyes. Simply add template, primers, and nuclease-free water, available separately. Mater Mix reduces risk of contamination. Includes enough for 100 reactions. Note: Can be stored at 4 °C for up to six weeks, or −20 °C for longer.

These fascinating frogs are uniquely adapted for climbing, with prominent adhesive pads on the ends of their digits.

Protect Clothing from Spills and Splashes

Friction blocks are useful for teaching the basics of force and motion.

Study different concepts utilizing sunlight or darkness.

Massive, chlorite-rich.

Gray to brown mudstone with abundant silt.

Fightly cemented, medium-to-coarse quartz grains.

Intestinal Parasite

One Racer, Endless Design Possibilities