Why Were Prehistoric Marine Reptiles So Huge?
[html]Scientists blame ocean drag for the slender, 40-foot-long neck and huge body of the Elasmosaur.[/html]
Source: Why Were Prehistoric Marine Reptiles So Huge? (http://ht**://www.discovermagazine.c**/the-sciences/why-were-prehistoric-marine-reptiles-so-huge)