Life thrives even deep inside Earth and scientists are beginning to suspect extensive connections among those underground environments. David Biello reports

60-Second Earth

Oil-Eating Microbes Have Worldwide Underground Connections

Leading science journalists provide a weekly one-minute report on the science of the environment and the future of energy. Scientific American offers three other podcasts: the daily "60-Second Science" and the weekly "60-Second Psych" as well as "Science Talk." To view all our archived podcasts please visit: www.scientificamerican.com/podcast

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60-Second Earth