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Our body tissue, not to mention diseases, each have their own unique "fingerprint," which can in turn be examined to diagnose various health issues at very early stages.

Now, researchers at Case Western Reserve University in Cleveland say that after a decade of work they've developed a new MRI (magnetic resonance imagining) technique that can scan for those diseases very quickly. In just 12 seconds, for instance, it may be possible to differentiate white from gray matter in cerebrospinal fluid in the brain; in a matter of minutes, a full-body scan would provide far more data, making diagnostics considerably easier and less expensive than today's scans.… Read more

Oxford University Ph.D. student Jessica Richman, who today finished raising some $350,000 from more than 2,500 people wanting to take part in the uBiome project, isn't shying away from reality: "Yes, we are going to be sampling people's poo," she told the Guardian this week.

And for the squeamish, she offered an asterisk: "You'll only have to wipe it on the toilet paper."

The uBiome project is a "citizen science" effort to sequence the genomes of the trillions of bacteria that colonize our bodies and likely play pivotal … Read more

AVI has been around a long time, and there's a lot of video saved in the format. Some devices, including mobile devices, have limited media file compatibility and won't play AVIs. For many users, the simplest solution is to convert the AVI files to MP4 files. AVI to MP4 Converter from A Software Plus is a free utility that can do the job with a minimum of fuss. It converts AVI and similar formats like DivX and Xvid, singly or in batches. We tried it in Windows 7 Home Premium SP1.

AVI to MP4 Converter's user interface … Read more

Apple released an update for the Apple TV shortly after iOS 6 was made available for iOS devices. You should have already been alerted to update your black box to Apple TV software version 5.1. If not, you can manually update by going into Settings > General > Update Software. The update should take less than 20 minutes, depending on the speed of your Internet connection.

Here are four new features the update brings to your Apple TV, each with a link to a guide covering how to use them.

Rearranging icons Finally! Up until now, Apple TV owners … Read more

Multiplicity is geared for the power user who wants to control several computers with a single keyboard and mouse.

After installing the program, you'll be greeted with a simple setup process; designate your primary computer with the mouse/keyboard setup. Users should note that all their PCs must be networked via Ethernet or wireless so that Multiplicity can sync them all together.

Stardock's program will guide users through the setup process: simply log the secondary computer ID and passcode under the "Computers" tab in the primary computer. To set the secondary computer, users must also install … Read more

The new MacBook Pro with Retina display has many noteworthy features, from a unique 2,880x1,800-pixel screen to new Nvidia graphics to large SSD storage options. But, the most surprising may be the multiple video outputs -- something not seen on a MacBook before now.

The last several generations of MacBook have had either a mini-DisplayPort or combo Thunderbolt/DisplayPort jack. HDMI has been on our most-wished-for lists for years, so Apple finally adding HDMI (which is found on pretty every other current laptop) is a big move, especially when combined with a second Thunderbolt port.

The initial review of the Retina Pro … Read more

Apple's iPad could one day get support for multiple user accounts if an e-mail purportedly sent to a developer from Apple's Worldwide Developer Relations group is to be believed.

Apple Insider on Monday posted a reply an unnamed developer received from Apple after requesting that the company add support for multiple user accounts on the iPad.

"After further investigation it has been determined that this is a known issue, which is currently being investigated by engineering," the reply read.

That reply doesn't go so far as to say such a feature is coming, but comes … Read more

Not very many people know that the Windows Event Viewer is a built-in tool that can be of great help in troubleshooting computer problems. Yet, here comes MyEventViewer from NirSoft Freeware, an application that promises to improve on this little-known and not-often used utility.

While the information it provides may prove to be beyond the ability of most people to comprehend, the free tool itself has a simple interface. It allows the user to view multiple event logs, for example, unlike the option offered by the regular Event Viewer. The details of the event are also conveniently seen on the … Read more

There's a ton of reasons to love Chrome, but syncing isn't one of them--yet. Google has just built a new feature into Chrome 16 that could make multiple account management much better.

Multiple-user support is similar to Chrome's Sync feature, but it's more of a complementary feature than a must-use. Sync allows you to always have access to the same bookmarks, history, themes, and preferences. Multiuser support allows you to share a computer or maintain separate Google identities without logging out of the operating system. This could be useful for single-computer households or small businesses, but … Read more