"bouteille de gaz"

Students find the answers to such questions as how much bacteria does soap or mouthwash eliminate, and which mouth contains more bacteria — a human or a dog.

Unique Method Allows Easy Observation of Starch Breakdown

Culture Common Gram-Positive and Gram-Negative Bacteria

What is genetic engineering?

Observe a relationship between two organisms that together produce an effect they could not achieve individually.

A vertical-style NFT system that multiplies growing space within a compact footprint, ideal for leafy greens and herbs in classrooms with limited space.

Using penicillin-impregnated discs on two plates, students grow one lawn each of two common, naturally occurring pathogen bacteria.

Students use color-coded pop beads to visualize the structure of amino acid chains with this kit.

Introduce Students to PCR Technique with a Basic Procedure

A complete recirculating hydroponic growing system, sized for tomatoes, cucumbers, peppers, and other vining crops as well as cut flowers and other longterm crops.