Four plants grown in Mars-like soil are officially declared edible

Back in March, scientists from the Netherlands' Wageningen University successfully grew ten different crops in Mars-like soil provided by NASA. But there was a catch: they couldn't eat the food. They worried it contained heavy metals like cadmium and lead, which was present in the Mars soil stimulant.

from Inhabitat - Green Design, Innovation, Architecture, Green BuildingInhabitat – Green Design, Innovation, Architecture, Green Building http://inhabitat.com/four-plants-grown-in-mars-like-soil-are-officially-declared-edible
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