Coolest summers may be hotter than the hottest summers of the past 50 years for many areas of the globe if greenhouse gases continue to rise, study shows.
Think about stirring your morning coffee and the liquid spinning, then imagine that happening on an oceanic scale. Voila! An ocean gyre. Read about ocean gyres.
The Chilean volcanic eruption on Saturday, June 4, 2011 reached six miles up into the sky and sent a plume of ash toward Argentina. Read more about falling ash.