Life
In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism; specifically, writers from...
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array...
Plumbing and heating expert Richard Trethewey installs a new flush valve. (See below for shopping list, tools, and steps.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...
Scott Caron, master electrician for Ask This Old House, helps a homeowner put in an exhaust fan to rid her kitchen of smelly cooking odors. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThis...
Ask This Old House general contractor Tom Silva reveals the best ways to secure shingles to a roof. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This Old House: http://bit.ly/Sub...
General contractor Tom Silva installs a new skylight into an existing roof opening. (See below for a shopping list, and tools) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...
General contractor Tom Silva helps a homeowner install a new, energy-efficient wood door. (See below for a shopping list and tools.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHous...
Ask This Old House general contractor Tom Silva explains R-value and the need for good insulation. (See below for tools and steps.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...
Scott Caron, master electrician for Ask This Old House, helps a homeowner install an antique light fixture in her historic St. Paul, MN, home. #ThisOldHouse #AskTOH SUBSCRIBE to This Old...
Ask This Old House plumbing and heating expert Richard Trethewey reveals the best ways to unclog a backed-up bathroom sink. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This...
In which John Green teaches you about railroads and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention...
Ask This Old House general contractor Tom Silva helps a homeowner patch a hardwood floor to make it look seamless. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This Old House:...
John Green和Hank Green教你们灵长类动物人类如何迁出非洲并把地球变成现实版的人猿星球，而那些人猿就是人类！John和Hank告诉你关于人类是怎么进化的...
In which John Green teaches you about how Islam has interacted with politics during its history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how...
In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps...
In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations...
In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides...
In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the Holy Roman Emperor, but he was also the King of Spain. And the King of...
John Green makes it rain, and hijinks ensue on the Crash Course World History set. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse...
In which John Green teaches you about the Democratic Republic of the Congo, which used to be Zaire, which used to be The Belgian Congo, which used to be the Congo Free State, which used to...
