Jeff Witte

7 Flips | 2 Magazines | 1 Follower | @JeffWitte | Keep up with Jeff Witte on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Jeff Witte”

Pacific plate shrinking as it cools

The Pacific tectonic plate is not as rigid as scientists believe, according to new calculations. Scientists have determined that cooling of the …

New explanation for origin of plate tectonics: What set Earth's plates in motion?

Geologists have a new explanation for the origin of plate tectonics. Researchers suggest it was triggered by the spreading of early continents then …

Plate tectonics thanks to plumes?

It is common knowledge that the Earth's rigid upper layer called lithosphere is composed of moving plates. But just what mechanism first set plate …

The hidden colours inside volcanoes

<b>Igneous rocks - formed deep in the Earth's mantle and then spewed out of volcanoes - contain beautiful microscopic crystal structures not visible to the naked eye.</b><p>These colourful collages - seen with a polarising microscope - are being used by scientists trying to gain better understanding of what …

NASA's Mars rover finds rock with Earth-like chemistry | Reuters

CAPE CANAVERAL, Florida (Reuters) - When scientists selected a rock to test the Mars rover Curiosity’s laser, they expected it to contain the same minerals as rocks found elsewhere on the Red Planet, but learned instead it was more similar to a rock found on Earth.<p>This NASA image from Mars …

NASA's Mars rover finds rock with Earth-like chemistry | Reuters

CAPE CANAVERAL, Florida (Reuters) - When scientists selected a rock to test the Mars rover Curiosity’s laser, they expected it to contain the same minerals as rocks found elsewhere on the Red Planet, but learned instead it was more similar to a rock found on Earth.<p>This NASA image from Mars …