Tyson on the state of science in America.
posted by guitarwolf 1 decade 5 years 2 months 3 weeks ago • 7,396 views • 4:55Top Videos of 2009
Created: 1 decade 4 years 10 months 3 weeks ago
Updated: 1 decade 4 years 10 months 3 weeks ago
Views: 12,848
Updated: 1 decade 4 years 10 months 3 weeks ago
Views: 12,848
These are the 100 videos that were submitted and received the most votes during the year of 2009.