Archive: 10/13/2009

Nitrogen mysteries in urban grasslands

Urban grasslands are an extremely common, but poorly studied ecosystem type. Many receive high rates of fertilizer, creating concerns about nutrient runoff and greenhouse gas emissions. Recent research has been focused on ...

Oct 13, 2009 3 / 5 (1) 0

Miami firm says it will lay first US-Cuba fiber

(AP) -- A small Miami-based company says the U.S. government has given it permission to lay the first optical communications fiber from the U.S. to Cuba. That could drastically cut the cost of calling the island nation and ...

Oct 13, 2009 5 / 5 (2) 0