It's hard to make any practical conclusions from these kinds of studies, Silverberg said.

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These are the kinds of practical actions that inspire me in my job as we work to make the best science available to understand and reduce the impact of extreme events on families, communities and businesses.

CNN: Extreme weather and a changing climate

Given the vulnerability of paper and print before the arrival of the internet, it is not surprising that those who valued the transmission of information over time included oral or experiential transmission of skills in all kinds of hands-on, practical settings among the sources of lasting knowledge to be treasured.

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