As children gain knowledge, change and grow through years of experience, so too has the scientific process involving animal testing. From the first baby steps when scientists knew limited information about this particular aspect of scientific experimentation, to today where new ideas abound on substitutes for animals tested in laboratories, the field has evolved into a mature segment of the scientific world. However, similar to a child’s growing pains, the use of animals for testing possible human responses has faced major challenges. Two significant challenges are: the controversial nature of subjecting animals to experimentation and the increasingly complex research questions not easily answered by comparing animals to humans. One of the
