Engineering education sometimes means learning from mistakes. In the case of the Minneapolis bridge, engineers must discover clues to its collapse and prevent similar disasters. The Engineering Pathway has related engineering resources on bridge failures, safety and design, include a presentation on the Cooper River Bridge by Anthony Ingraffea of Cornell University and an […]

Three cycles essential to life are the subjects of new science publications on the NSDL Middle School Portal . Under the series title What Goes Around Comes Around, the publications provide resources for teaching units on the Carbon, Water, and Nitrogen cycles. Along with coverage of the naturally occurring cycles, the author, Mary LeFever, stresses […]