Columbia was the first shuttle to reach space, in 1981. Columbia carried dozens of astronauts into space during the next two decades, reaching several milestones.
Capstar is the brand name of a flea treatment for cats and kittens that weigh at least two pounds and are at least 4 weeks of age. It begins killing fleas within 30 minutes of ingestion and will kill more than 90 percent of the fleas in four hours.
Advantage II is a monthly, topical flea preventative for dogs older than 7 weeks of age and cats older than 8 weeks of age. You apply it to your pet's skin every 30 days where its two ingredients--imidacloprid and pyriproxyfen--go to work killing adult fleas, larvae, and eggs.