For nearly all of human history, most people were very, very poor. But something happened after 1800. Average wages began to rise. For example, in the past 200 years, the average wage in the United States... continue reading
posted by Trancecoach 1 decade 1 week ago • 999 views • 3:19Videos (23) | Sift Talk (0) | Blogs (0) | Comments (1000) |
Youtube Description: This 50 minutes long BBC documentary film is aired in the year 2011. The BBC film says it is the first and the most technological advance in the world, ancient chariot racing, the... continue reading
posted by oohlalasassoon 1 decade 1 year 1 month ago • 556 views • 48:32YouTube Description: Happy Pi Day! Special thanks to Toby (or not Toby) for playing Dog Hamlet. This cool website lets you search the first 200,000,000 digits of Pi. See if your phone number... continue reading
posted by Zifnab 1 decade 2 years 1 month 4 weeks ago • 1,582 views • 3:46