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How can important information and valuable items be kept safe as years pass? Many of these items are stored in underground vaults, including recordings and photos from U.S. history, important documents, and more. Locks, guards, secret passwords, and technology all play a part in the protection of the items.

Nuclear weapon bunkers keep the world's dangerous nuclear weapons safe. Guards, electronic security systems, and barriers protect the bunkers. Learn more about these high-security places!

Streaming puts a world of options at your fingertips when you’re at home and, with a smartphone or tablet, when you're on the go. Find out how streaming was invented, how it works, and what the future might hold for this part of a high-tech life.

The wheel was invented more than 5,000 years ago, and it has brought some awesome vehicles our way. But this invention isn't done giving! Take a tour of some of the most unique and fascinating vehicles around.

Did you ride a bike today? Then you’ve used wheels and axles! These simple machines are all around. Take a listen and discover 13 different ways we use wheels and axles.

Searching for easy engineering projects for your makerspace? You've come to the right place! From winches and gears to bridges and marble runs, these 10-minute STEM projects will have kids making in no time!

Think a soccer match begins with the opening kickoff? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional soccer—from prepping the pitch and cleaning cleats to player escorts and jersey swaps. This fast-paced, fact-filled book will give soccer fans, young and old, a brand-new perspective on major league soccer.

Think pro basketball begins with the opening tipoff? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional basketball—from cleaning the hardcourt and mascot madness to locker room pep talks and postgame interviews.

Think big league baseball begins with the opening pitch? Think again! In this Sports Illustrated Kids book, go behind the scenes of a typical game day in professional baseball—from prepping the diamond and welcoming fans to hawking hot dogs and broadcasting from the booth.

From hospital and police codes to Cockney slang, spoken codes can be both helpful and entertaining. Learn the history behind some of today’s most useful and popular codes, and then have fun creating a language all your own.