First, an insight:
2nd, a cross reference:
3rd, a conclusion or theory:
An effect of a well-positioned carbon plate inside a running shoe surrounded by a well-responsive foam would be expected.
Footnote: Oscar Pistorius was sponsored and equipped by Nike
Read also the interesting article by Francesca DeRosa in Wired: Athletic Authorities Must Reckon With Racing Tech Again
Do humans swim slower in syrup than in water? Scientist Edward Cussler and his student Brian Gettelfinger proved this question in a fascinating experiment at the University of Minnesota in 2004 (or original publication). I could not find a video, but there is one with top swimmer Nathan Adrian from the Mythbuster season 7 episode 5:
“The best swimmer should have the body of a snake and the arms of a gorilla,” recommends Cussler.