High-resolution ... reservoirs of oil and gas to image the core-mantle boundary some 2,900 kilometers, or 1,800 miles, beneath Central and North America. High-resolution images that reveal ...

The couple often ventures out into the Boundary Waters Canoe Area Wilderness ... You’ve been taking photos since your childhood, but really started shooting with greater intention in 2009.

Harmful algae blooms, where toxins are released, are a public health threat and severely damage water quality ... in the Boundary Waters date back to the early 1900s. Satellite images and ...