http://onlyagame.typepad.com/only_a_game/2006/09/trust_in_scienc.html

excerpt:

"Science is a subjective process with an objective goal. Genuine objectivity is beyond the reach of any individual scientist, or any community of scientists, as we are all human and subject to biases of many different kinds. The scientific endeavour achieves something that approximates to objectivity only over time. Scientific theories receive popular validation when they result in technology, or when sufficient time has passed for the most effective explanations to prove their worth (as we saw previously in the case of continental drift).

Trust in science is a metaphysical belief..."