Yeah, I think the Martian life-forms that are not being reported by publish-or-perish NASA scientists are hiding the 250 MPG carburetors that panicked Detroit and the oil companies a few decades ago.

In fact, George Bush’s science advisor reportedly told a fake reporter at a recent White House pool party, that they think terrorists planted a remote control device on the Polar Lander, which actually did land on Mars, and is now being used by them to spy on White House pool parties.

News Flash!  Analysis of images taken with ESA's Huygens probe suggest Strawberry shaped creatures cavorting in several large liquid nitrogen lakes!

Seriously though, scientists are necessarily conservative when it comes to shouting eureka!  A conspiracy of silence is almost impossible with scientists or politicians.  They always want to be first, in order to advance their careers.  Remember, public science is not about the search for truth, but the search for funding.  

From an Apollo mission technician/engineer.