In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can t live without water, which means it s absolutely...

Ask This Old House landscape contractor Roger Cook travels to an Idaho farm to learn about the process of growing potatoes. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This...

Landscape contractor Roger Cook helps a homeowner select and plant a deciduous shade tree. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Shopping List for How to Plant a...

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a washer and dryer in his basement. (See below for a shopping list, tools, and steps.) SUBSCRIBE to...

General contractor Tom Silva shows a homeowner several ways to protect windows during a storm. (See below for steps.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Steps...

Scott Caron, master electrician for Ask This Old House, helps a homeowner install a chandelier in a dimly lit dining room. (See below for a shopping list, tools, and steps.) Watch the full...

This Old House landscape contractor Roger Cook shows safe, effective ways to use a wheelbarrow. (See below for steps.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Steps...

Ask This Old House general contractor Tom Silva shares some tricks of the trade for backing out stripped screws. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This Old House:...

This Old House general contractor Tom Silva helps a homeowner install a new pair of basement bulkhead doors. (See below for a shopping list and tools.) SUBSCRIBE to This Old House: http://bit.ly/Su...

Ask This Old House general contractor Tom Silva takes a homeowner’s salvaged door and uses several tricks to make it fit. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This...

In which John Green teaches you about nation-building and nationalism in Latin America. Sometimes, the nations of Latin America get compared to the nations of Europe and are found wanting....

Today Phil explains how telescopes work and offers up some astronomical shopping advice. Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-...

John Green and Stan Muller talk about the future of Crash Course Humanities Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want...

In today s episode, Phil looks at how gravity plays out across the universe. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse Check out the Crash Course Astronomy...

In which John Green teaches you about the Vereenigde Oostindische Compagnie, doing business as the VOC, also known as the Dutch East India Company. In the 16th and 17th centuries, the Dutch...

General contractor Tom Silva shares his insights on the shop s most versatile portable power tool. (See steps below.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Steps...

Ask This Old House host Kevin O’Connor explores the best options for home fireplaces. (See steps below.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Expert assistance...

The guys from Ask TOH take a look at an expanding black rectangle and ask, “What is it?” SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse About What Is It?: Watch the Ask...

The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet s topography,...

A peek behind-the-scenes at actor and woodworker Nick Offerman s visit to the Ask This Old House workshop. Nick stopped by to play and talk shop, and here s some of the fun parts we couldn t...