Video: Mapping groundwater from the air

Stanford Earth's Rosemary Knight recently spearheaded a project to map underground freshwater resources and forecast the intrusion of saltwater into aquifers beneath the California coastal town of Marina.

Brazilian president's blog hacked

Brazilian President Dilma Rousseff's official blog website was hacked briefly Thursday by someone who posted an anti-corruption message, officials said.

Calif. man gets 4 years for stalking on Facebook

(AP) -- A Northern California man who trolled women's Facebook pages searching for clues that allowed him to take over their email accounts has been sentenced to more than four years in prison.

Self-learning security system for computer networks

Cyber attacks on computer networks are becoming increasingly commonplace. To counter the threat, they are protected by so-called network intrusion detection systems. But these fail to identify some attacks, or do not spot ...

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