Feedback is delighted to hear from a reader who proposes an ingenious new unit of data – but we have some quibbles with the ...

Northwestern University researchers have developed the first wearable device for measuring gases emitted from and absorbed by the skin. By analyzing these gases, the device offers an entirely new way ...

Semi-trucks and their weigh stations are a common sight on the roads, but you've likely never seen the station itself. Here's ...

The first serious attempt to quantify the internet's weight came in 2006, when Harvard physicist Russell Seitz made headlines ...

The Eufy P3 smart scale is a well-designed scale that gives detailed health insights at an affordable price, but in testing ...

Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do they work?