"bouteille de gaz"

A great intro for all sciences.

This kit demonstrates the principles of protein and amino acid analysis and enables students to identify unknown compounds.

Easier To Use Design!

Set of wood and steel sieves for accurately separating wheat samples by size and shape.

Use PCR to determine if your chickens are male (ZZ) or female (ZW).

Use PCR to genotype your own chickens for the recessive white allele that causes white plumage.

Use PCR to determine if your emus are male (ZZ) or female (ZW).

Use PCR to genotype your own chickens for the frizzle allele that causes curly feathers.

Peterson First Guides are the first books the beginning naturalist needs.

A Comprehensive Curriculum for Student-Driven Learning