While the crewmen sat in the galley eating meat stew with fistfuls of ugali, a maize porridge, the passengers congregated along a handrail overlooking the action.

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If successful, and the research appears to be heading in that direction, a few added spices and whatnots could potentially arm vegetarians with a technology edge over their meat-eating colleagues, while vastly lowering the amount of needed energy, land, and fresh water.

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Eating pork and shellfish, for example, is banned, while mixing meat and milk is also taboo.

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