Elizabeth Holmes, the beleaguered founder-and-chief of Theranos, has agreed to publish scientific data that will supposedly affirm the accuracy and reliability of its blood tests. But as a recent FDA inspection report points out, things don’t look good.

Theranos seemed to be offering a miraculous new service: a single finger pinprick could yield the results of up to 200 different blood tests. But a scathing report in the The Wall Street Journal punctured these claims. Now Theranos CEO Elizabeth Holmes has come to her company’s defense.

Google X Labs is developing a pill that could one day detect cancer and heart disease. The pill would contain 2,000 nanoparticles coated with antibodies and molecules capable of detecting other molecules, and travel through the patient's bloodstream in search of malignant cells. The findings would be transmitted to a…

One way many physicians and physicians-in-training hone their diagnostic skills is by attending clinicopathological conferences (CPCs). CPC attendees get a patient's clinical summary, which contains all sorts of information that will prove useful in cracking the case. A CPC isn't supposed to be easy-to-solve mystery,…

Scientists at Princeton University have developed a sensor that could be tattooed onto your tooth, diagnose an infection, and transmit that information to medical professionals.

Scientists have developed a test that detects whether the large, misshapen, mutant cells that indicate you're due for an acute myocardial infarction are circulating through your bloodstream. That's right: There's a heart attack test. And it works.

This isn't for your commuter friend who looks at a car wondering if it'll provide comfort while idling in traffic. This is for the friend who considers the drive from San Francisco to Portland a jaunt. Don't try to appease them with a silly, tree-shaped air freshener. Instead, give them the tools needed to do timed…

Costing just a cent to produce and requiring just a single drop of blood to function, this paper chip, designed by chemist George Whitesides, can diagnose HIV, tuberculosis, malaria and more. What substance makes this tiny marvel possible? Comic-book ink.

Sometime next year, Garmin nuvi GPS devices will have the option of displaying information on your car's inner workings using EcoRoutes ESP—a module that taps into your car's onboard diagnostics (OBD-II) port.

Sure, you could load up a flash drive with diagnostic, anti-virus, and data recovery software to fix up a sick computer, but it's kind of boring. If you've got an old iPod kicking around you might as well turn it into the hippest computer recovery tool around.

That "Check Engine" light is on nasty son of a gun, and if you are anything like me you have a damn clue about anything under the hood. Before handing over a couple c-notes to a mechanic so he can plug in a fancy computer to figure out what is wrong and fix things that aren't broken—just do it yourself. The CarMD…