Brain Evolution: Expanding Our Minds

The irony of the theory of evolution is that evolution’s spectacular success in creating complex biological systems was historically the reason that this theory was so difficult to accept. It is difficult to imagine how a random sequence of miscues, of genetic mutations, could be the source of such complexity. Charles Darwin acknowledged the difficulty […]

Embryological Development

In the Beginning All human beings begin life as a fertilized egg, called a zygote, which is a single cell about one-fifth the size of the period at the end of this sentence. By adulthood, the human body has grown to more than a hundred trillion cells, most of which are highly specialized for particular […]

Learning to Write: One More Step From Language to Literacy

Many states have adopted content standards for language arts curricula in the early elementary grades that emphasize the importance of oral language skills in development of reading and writing. A glance at two state standards for Grades 1 and 2 illustrate how schools recognize that learning to write depends on oral language skills. California Grade […]

When You Don’t Understand the Brains You’re Trying to Teach

Most beginning teachers quickly discover that they don’t completely understand all the curricular material they’re expected to teach, and many of the noteworthy events the mass media constantly report. Professional pride and the questions and confusion of our students tend to nudge us to try to develop at least a functional understanding of such issues. […]