Scientists Harvest First Vegetables in Antarctic Greenhouse (apnews.com)

Scientists in Antarctica have harvested their first crop of vegetables grown without earth, daylight or pesticides as part of a project designed to help astronauts cultivate fresh food on other planets. From a report: Researchers at Germany's Neumayer Station III say they've picked 3.6 kilograms (8 pounds) of salad greens, 18 cucumbers and 70 radishes grown inside a high-tech greenhouse as temperatures outside dropped below -20 degrees Celsius (-4 Fahrenheit). The German Aerospace Center DLR, which coordinates the project, said Thursday that by May scientists hope to harvest 4-5 kilograms of fruit and vegetables a week.

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Re:Salad Greens?

[Headw1nd]

Calories are usually not the issue overall, as high-caloric foods tend to be easy to transport and store. The issue is more nutrient-rich foods and the bulk items needed for healthy digestion.