If you compare the feeling of touching a piece of metal versus a piece of paper, the metal will always seem cooler, even if both objects are actually the same temperature. So what gives? It turns out that what we're really feeling as cold when we touch something is actually an object's increased ability to conduct thermal energy away from our skin.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/W74U8RDgCgw/can-humans-really-feel-hot-and-cold-510473773
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