With the price of suburban farmland sky high, matchmakers are setting up landowners who want to lease their land to small farmers seeking to expand their growing areas and be close to urban areas where their customers live.
Could you eat for just $5 a day? Hundreds of Montgomery County, Md., officials and employees tried it last week to raise awareness about hunger in the affluent county, but some people who struggle to buy food found the week-long challenge offensive.
Urban farming goes vertical, as Singapore opens a 30-feet tall greenhouse for bok choy and cabbage. The farm is already producing half a ton of veggies per day for local supermarkets. But are these vertical "farmscrapers" any more efficient than traditional, flat greenhouses?
Reporting in the Journal of Agricultural and Food Chemistry, Tomás G. Villa and colleagues devised a recipe for improving beer foam. They identified a gene in brewer's yeast that prolongs beer foam lifespan by making a protein that protects the bubbles. They say they've brewed beers with heads that stay frothy for several hours.
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