What's the Difference Between Magma and Lava?

Since silicic magmas are colder and goopier than mafic magmas, dissolved gases have a harder time venting out of them. This ...
TravelPulse on MSN

Picturesque UNESCO World Heritage Sites in the US

The famous Grand Canyon in Arizona was recognized as a UNESCO World Heritage Site in 1979 and is known for its breathtaking ...