Study could help improve nuclear waste repositories

(Phys.org) —Here's the question faced by a team of Sandia National Laboratories researchers: How fast will iodine-129 released from spent nuclear fuel move through a deep, clay-based geological repository?

Brazil fines Facebook for not deleting profile

A court in the Brazilian capital of Brasilia has fined social networking site Facebook the equivalent of more than $2,000 for failing to delete a false profile of a user who had asked that it be removed.

California adopts car-sharing service regulations

Web-based car-sharing companies will have to make sure drivers undergo training and criminal background checks and have commercial liability insurance under rules approved Thursday by California regulators.

Tech titans see opportunity in cybersecurity

With its PC sales slowing, Hewlett-Packard Co. is grappling for a piece of the exploding cybersecurity market as a key part of CEO Meg Whitman's plan to turn around the struggling company.

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