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Team explains how dinosaurs rose to prominence

A shade more than 200 million years ago, the Earth looked far different than it does today. Most land on the planet was consolidated into one continent called Pangea. There was no Atlantic Ocean, and the rulers ...

Mar 22, 2010
4.7 / 5 (17) 9 | with audio podcast

Lava likely made river-like channel on Mars

(PhysOrg.com) -- Flowing lava can carve or build paths very much like the riverbeds and canyons etched by water, and this probably explains at least one of the meandering channels on the surface of Mars. These ...

Mar 04, 2010
not rated yet 1 | with audio podcast