lunedì 15 settembre 2014

NYT Science: Cancer Screening at a Cost, Your Uncomfortable Flight, Fortunate Dinosaur Bones

Cancer Screening at a Cost, Your Uncomfortable Flight, Fortunate Dinosaur Bones
By THE NEW YORK TIMES

Letters to the editor and online comments.

Published: September 16, 2014 at 4:00AM

via NYT Science http://ift.tt/1q8vygw