Looking back one, two and five years ago today on Worldchanging:
Worldchanging Essay: Creating Responsible Voluntourism
Carissa Bluestone explores voluntourism - "planning a vacation to include short-term charitable work" - and debates its effectiveness...
Museum of Jurassic Technology
Regine Debatty reviews David Wilson's Museum of Jurassic Technology, a place where the boundaries between history and fiction, magic and reason, narrative and scientific method are in fact completely fluid...
Ribbons, Sheets and the Nanofuture
Jamais Cascio reports on what he thinks is arguably the biggest technological breakthrough of the decade...