The Search for Dark Matter and Dark Energy: "mlimber writes 'The New York Times Magazine has a lengthy article on dark matter and dark energy, discussing the past, present, and future. 'Astronomers now realize that dark matter probably involves matter that is nonbaryonic ['meaning that it doesn't consist of the protons and neutrons of 'normal' matter']. And whatever it is that dark energy involves, we know it's not 'normal,' either. In that case, maybe this next round of evidence will have to be not only beyond anything we know but also beyond anything we know how to know.''

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(Via Slashdot.)