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What a new DOJ memo could mean for naturalized U.S. citizens Scientists discover 3,500-year-old lost city in Peru that ...
Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?
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The European Space Agency (ESA) has revealed an ambitious plan to establish human settlements on Mars within 15 years. ESA's ...
Such a high-rise farm has not yet been built. But in Devon, England, the Paignton Zoo has maintained a hydroponic, controlled-irrigation garden for several months.
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