A Fleming County mother says she’s upset because her 13-year-old son was suspended from middle school for three days because he inhaled helium from two Valentine’s Day balloons he bought at school.

Helium is the second-most abundant element in the entire universe, and the gas has numerous everyday uses in human industry. However, most of us know helium for just two things: It makes party ...

Inhaling helium and talking like Daffy Duck is a classic party trick. But not many know how helium works. Helium is much lighter than air, so sound waves move much faster through the gas. This ...