An curved arrow pointing right. Astronaut Terry Virts shows what it looks like when an effervescence, such as an Alka-Seltzer tablet, dissolves in water in outer space. This demonstration was ...

Who knew Alka-Seltzer could do more than just relieve pain? There are many myths about this cheap tablet, but there are also many things that are facts. Alka-Seltzer has been arou ...

Disposal: All liquids and solutions can be poured down the drain with running water. Solid waste can be disposed of in the trash. Alka-Seltzer is a common antacid used to relieve an upset stomach.