Blue zones expert Dan Buettner answers your questions on the secret to longevity

In our new Ask a Nat Geo Expert Anything series, Dan Buettner weighs in on how to apply the blue zones principles to your own ...
EDN

Increasing ADC resolution by adding dither to DC signals

Generating a deterministic dither waveform to DC signals in order to enhance the signal-to-quantization noise of ADC ...

We Put the Best Multimeters to the Test. Our Top Pick is Ideal for Both Beginners and Pros

Want to safely repair an electric appliance or simply test your home’s wiring? Get shopping tips as well as our top tool ...
Healio

FDA grants 510(k) clearance to Alzheimer’s blood biomarker test in primary care setting

The FDA has granted 510(k) clearance to a blood-based biomarker test indicated for early detection of Alzheimer’s disease and other causes of cognitive decline within a primary care setting, according ...