Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances.

Across the globe, a race is under way to crack some of the last mysterious forms of writing that have never been translated.

How do psychotherapist-mediated substance and drug use interventions work? Family and friends may compile a list of concerns, feelings, and consequences to which they collectively agree—such as a ...