Chemical flame-retardants are used in a variety of products to prevent the spread and occurrence of fire. While fire safety is critical, this family of chemicals, known as Polybrominated diphenyl ethers (PBDEs) are highly toxic. They are found in carpeting, foam cushions, polyester clothing and bedding, wallpaper, toys, household dust, a variety…

This booklet provides an overview of stages and levels of cognitive development. Particular attention is given to language skills, the growth of understanding and memory, levels of thinking, altruism, and conscience. The importance of parents' influence on the development of their child's thinking abilities is emphasized. Nine resources that…