<https://sciencing.com/everyday-uses-helium-gas-8041697.html>
<http://schema.org/description>
"The element helium was discovered in 1895 by Sir William Ramsay. The name comes from the Greek word \"helios,\" which means \"sun.\" It is a colorless gas that is lighter than air and consists of two protons and two neutrons. The gas is used in many products that you encounter every day."
<https://sciencing.com/everyday-uses-helium-gas-8041697.html>