More than 60 years have passed since the work of Rosalind Franklin, James Watson, and Francis Crick led to the discovery of the 3D-DNA double-helix structure. Nowadays, due to the simple and elegant architecture of its double helix, the structure of DNA is widely known. The biological role of the DNA molecule (e.g., genetic information), however,…

This article presents an interview with G. Kip Bollinger. G. Kip Bollinger currently works as a consultant for Intermediate Units, school districts, professional science societies, and science text and kit producers. He performs curriculum alignment, does assessment training, coaches science teachers, trains teachers in the use of specific…

In this extended biology, ecology, and earth science activity, students construct hands-on models of natural wastewater treatment and wastewater treatment facilities to achieve an understanding of wastewater treatment process in nature and wastewater treatment facilities. During this simulation activity, students have opportunities to learn…