moving sign


***************************************************************

DN Speak has moved.


Click here to go to DN Speak 2016 for new posts.


***************************************************************


































































Featured: Interviews for the Well-Informed

Featured: Interviews for the Well-Informed

Did you know? After the last post on this page is a link to "Older posts".

Sunday, July 21, 2013

TIL around 1000 AD the Inca skull surgeons performed "trepanation" a procedure to relieve intracranial pressure on people with head trauma. By 1400 AD the fatality rate of the procedure was down to 10%

TIL around 1000 AD the Inca skull surgeons performed "trepanation" a procedure to relieve intracranial pressure on people with head trauma. By 1400 AD the fatality rate of the procedure was down to 10%
REDDIT TOP NEWS | JULY 21, 2013
http://pulse.me/s/onS3C


Read more


at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)







Click Older Posts above to see more.





Search this blog