Mescalero-Chiricahua Apache is a family of languages that is spoken in Oklahoma and New Mexico. The Oklahoma language is in dire need of assistance; while most Indigenous languages in North America are in danger of extinction, this one has as few as three native speakers remaining.
Basic problems with corrosive chemicals... Corrosive: A chemical, (solid, liquid or gas), that can cause destructive damage to body tissues at the site of contact. It can cause severe burns to the skin and can eat through clothing, metal and other materials.
When lithium gas is supercooled to near absolute zero, it exhibits ferromagnetism. This is the only recorded instance of a magnetic gas. While they are solids, not gases, compounds formed from actinide series elements exhibit similar magnetic properties when cooled.