What is all the fuss about genetically modified foods? PBS provides this resource designed to supplement the documentary Food, Inc. to help learners investigate the benefits and controversies of genetically modified foods...

Students examine the billfish as a predator in the ocean. In this ocean, creatures, and tides lesson plan, students view video clips and discuss the sea creatures and scientists in the videos. Students create their own videos. students...

The Mammoth Lakes area regularly releases warnings to hikers and skiers to be careful because melting snow releases trapped gases from volcanic vents. The 17th lesson in the 20-part series opens with a demonstration of carbon...