A proposed copper-nickel mining operation in northeast Minnesota would need long-term water treatment to ensure potentially toxic rock won't pollute area waterways, according to an environmental review released today.
A fourth straight month of solid hiring cut the U.S. unemployment rate in November to a five-year low of 7 percent. The surprisingly robust job gain suggested that the economy may have begun to accelerate.
New research from the University of Minnesota shows that when teenagers start school later in the morning, they're tardy less often, are absent fewer days, and their grades improve. But districts considering a later start time often face push back from parents who schedule their lives around their students' school routine.
Researchers decided to pore over 27 studies from 10 different developed countries that looked at the retail prices of food grouped by healthfulness. Across these countries, it turns out, the cost difference between eating a healthful and unhealthful diet was pretty much the same: about $1.50 per day.