Here’s everything you need to know about lightning, from how it forms to common myths and how to stay safe. Lightning flashes during a tropical storm in Guatemala. Lightning flashing across a darkened ...

An amygdala hijack happens when your amygdala — a part of your brain that regulates emotions — triggers a fight-or-flight response to stress and overrides your frontal lobes’ ability to respond ...

Olympic gold medalist Usain Bolt shows off his super speed as he runs the 40-yard dash at the Super Bowl, which would be a record for NFL players at the combine.