Science Buddies
Science Buddies: Pinocchio's Arm: A Lie Detector Test
You might be surprised to learn that you have been practicing skills closely tied to lying if you have ever seen someone in pain, or mimicked your favorites sports athlete. In this science fair project, you will discover how your brain...
TeachEngineering
Teach Engineering: Biosensors for Food Safety
How can you tell if harmful bacteria are in your food or water that might make you sick? What you eat or drink can be contaminated with bacteria, viruses, parasites and toxins pathogens that can be harmful or even fatal. Students learn...
TeachEngineering
Teach Engineering: Who's Hitchhiking in Your Food?
How can you tell if harmful bacteria are growing in your food? Students learn to culture bacteria in order to examine ground meat and bagged salad samples, looking for common foodborne bacteria such as E. coli or salmonella. After 2-7...
PBS
Nova Online: Bomb Squad
Information on robots that are used for hazardous duty, such as patrolling beaches to find land mines, is found here.