global debt

World debt comparison: The global debt clock

http://www.economist.com/content/global_debt_clock

#SciFund Challenge

49 research projects are part of the #SciFund Challenge. Will you support them? What? Can scientists raise money for their research by convincing the general public?

http://scifundchallenge.org/

tensegridad

(Largo e) interesante artículo sobre la tensegridad:

 
http://naukas.com/2011/11/01/estoy-contraida-y-tensa-pero-todavia-estable/