Photo by Eugene Zemlyanskiy,
Misinterpretation of a key scientific concept has led to decades of fierce debate according to an ANU philosopher. In a hugely influential paper published fifty years ago, eminent scientist Ernst Mayr distinguished between 'why' questions and 'how' questions in biology; for example, the difference between asking 'why do birds migrate' and 'how they know when to migrate'. Kim Sterelny of the School of Philosophy says that misinterpretation of this distinction has created a rift in the biological world that is holding science back. "Many current controversies in evolutionary theory in part depend on different views about the relationship between 'how' and 'why' questions," he said. Instead of treating 'how' and 'why' questions as equally important, many scientists are choosing sides and ignoring the fact that such questions are complementary rather than alternative ideas. In a paper published in Science , Sterelny and his co-authors have urged the scientific community to re-evaluate their interpretation of this important issue. They are calling for a change in the default view from seeing 'how' and 'why' questions as unrelated to recognising them as reciprocal.
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