In most of science, you try to keep everything constant except for one variable. You turn one knob at a time, and see how the system responds. That’s wonderful for linear systems,” he said. “But most biology is complex and non-linear. Emergent behaviors are very hard to understand unless you turn many knobs at a time, and we can’t figure out which knobs to turn. So we’re going to let Eureqa pick them.
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Download Your Own Robot Scientist | Wired Science | Wired.com
A good analogy for measures the impact of and response to journalism.