A little mystery returned to the world this week, while scientists and citizens alike rushed to bring back images from the frontiers of deep space and the natural world.
Hunger and malnutrition are ancient problems. So much has been said and written on the subject of feeding the 6.7 billion people on Earth that the discussion has progressed from an instinctual question of “what’s for dinner” into an unwieldy, amorphous cloud of questions — about nutrition, about politics, about the environment — for which there seem to be no easy answers.
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