New research shows how human activities, like fertilizer use and polluting, are impacting nitrogen-fixing plants which are crucial for maintaining healthy ecosystems by adding nitrogen to the soil.
The Pittsburgh Steelers and New York Jets will clash on Sunday, and to us, it's a matchup of stability vs. volatility. In many respects, the Steelers are what t ...
Cuba on Friday experienced a nationwide blackout after the island's main power plant failed, causing the communist country's electricity grid to collapse, the energy ministry said.