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Agencies are various organizations or entities within the government. Learn more about agencies like the FBI, foster care, the Postal Service or Customs.

How Did the U.S. Look Before the EPA?

The U.S. has come a long way since forming the EPA in 1970. HowStuffWorks digs out some pics from the National Archives to show just how far. See more »

Getting the Mail to Your Home Is Way More Complex Than You Might Think

Hundreds of factors determine a mail carrier's route. Learn about some of them at HowStuffWorks. See more »

USDA Deletes Animal Abuse Online Records

The USDA removed animal welfare records from its website, generating outrage from activists across the country. HowStuffWorks NOW explains. See more »

Launch Nuclear Attack? Insert Disk Seven

The Department of Defense and several other U.S. government agencies use some really old technology (think decades!). Learn more at HowStuffWorks Now. See more »

Librarian of Congress Is Way More Important Than You Think

President Obama nominated Carla D. Hayden for the job of Librarian of Congress this week. Learn more about this powerful job at HowStuffWorks Now. See more »

Underwater Mailboxes Are Just the Latest in the World of Weird Postal Spots

Why would a mailbox or post office be underwater? Ready this story to know more about underwater and other remote, weird mailboxes and post offices. See more »

How the FDA Works

How does the FDA keep us safe? Learn how the Food and Drug Administration works and explore some of the agency's successes and criticisms. See more »

How Numbers Stations Work

If you've ever heard random numbers on a random empty radio frequency, you may have heard a numbers station. Find out about these cryptic broadcasts. See more »

Spy Pictures

Spy pictures show the secretive world of intelligence gathering. Check out this collection of spy pictures. See more »

How the EPA Works

The EPA was established in order to protect human health and the environment. Learn more about the EPA and some of the duties the EPA performs. See more »