Food policy experts weigh in on the possibilities of individual diet choices and sustainable production methods.
Martin fled Cameroon when security forces imprisoned his father and started regularly raiding Anglophone villages. The U.S. government might send him back.
If human civilization begins to expand into space, will colonists feel loyalty to their country, their planet, or Elon Musk?
It will be years until NASA is ready for a journey to the red planet, but if Earth continues to suffer from climate change, Mars could come to us.
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