Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a mi ...

With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

If you've ever had a sonogram you know that, even though the test isn't too hard to endure, the cold glob of gel that goes on your skin before you get "wanded" is pretty unpleasant. Japanese ...