'Leap second' wreaks Internet havoc

An adjustment of a mere second in the official global clock sent dozens of websites crashing in an incident reminiscent of the Y2K bug over a decade ago.

Hackers protest BART decision to block cellphones

(AP) -- Hackers broke into a website for San Francisco's mass transit system Sunday and posted contact information for more than 2,000 customers, the latest showdown between anarchists angry at perceived attempts to limit ...

Can bees color maps better than ants?

In mathematics, you need at most only four different colors to produce a map in which no two adjacent regions have the same color. Utah and Arizona are considered adjacent, but Utah and New Mexico, which only share a point, ...

Looking for privacy in the clouds

Millions of Internet users have been enjoying the fun -- and free -- services provided by advertiser-supported online social networks like Facebook. But Landon Cox, a Duke University assistant professor of computer science, ...

You can childproof your computer

Every few months, I receive a question from a reader whose computer was never the same after a grandchild came to visit.

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