Category science

Zap, zap, zap! Our bodies are electric

Our daily lives seem to run on electricity. Electric lights illuminate our rooms. Electric power runs our computers, microwave ovens, cell phones and countless features on our cars. When we lose access to electricity, it can feel like we also…

Explainer: Anatomy of a heartbeat

Your heart beats about 100,000 times per day. That’s around 3 billion times over an average lifetime. Each beat pumps blood to the lungs, where it picks up oxygen. From there, it flows on to all of the rest of…