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Submission + - Journey to the Mantle of the Earth? (newscientist.com) 1

Doofus writes: New Scientist has an interesting story about a Japanese effort to reach the Earth's mantle. While some mantle material has been recovered from volcanoes, no pure mantle material has been obtained. (We have moon rocks, but nothing from a few km beneath our feet!) Accompanying the article is a gallery of previous attempts at drilling farther and farther into the Earth's crust.
Mars

3D Martian Flyover Movies 69

Matthew Sparkes writes "NASA has created two virtual flyovers of the Mars rover landing sites using 3D imagery from the Mars Reconnaissance Orbiter (New Scientist story here). The images were made using the most powerful camera ever sent to another planet, MRO's High Resolution Imaging Science Experiment (HiRISE). The three-dimensional information is obtained by taking pairs of images from slightly different vantage points as the spacecraft orbits the Red Planet."
The Internet

Broadband Providers' Hidden Bandwidth Limits 443

An anonymous reader sends us to the Boston Globe for a story that will come as a surprise to few here: broadband suppliers will cut you off if you download too many bits. It tells the stories of several Comcast users who were warned — without specifics — that they were using "too much" bandwidth, then had their accounts summarily cancelled. Looking into the future: "...even if only a tiny fraction of customers are downloading enough to trigger the policy, that will probably change as more entertainment moves to the Internet."

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