Beyond better testing, we need better protection. Physical shields seem like the obvious first defense. Hydrogen-rich materials such as polyethylene and water-absorbing hydrogels can slow charged ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to [email protected]. Imagine an epic video game with your favorite hero as a ...

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.