An ambitious project launched in 2016 has made a dent in one of biology’s greatest challenges — with more than 3,600 researchers profiling more than 100 million cells.

The $99.95 Withings Body Smart is a smart scale with an Eyes-Closed feature that lets you track your weight and body composition without having to look at the number on the scale.

I got to test the scale out a bit. The 0.7-inch-thin base is covered in tempered glass and has faint gray lines to help you know where to place your heels. The LED display cycles through your ...

(To get a sense of that size, check out The Scale of the Universe.) Based on an adult man’s typical volume, you might conclude that the human body contains 15 trillion cells.

WFIRM's human organ tissue system was not easy to develop. The institute scientists have been working for close to three decades to build large-scale human organs for transplantation into patients.

This system operates like bathroom scales, registering body weight and thereby fat mass. More knowledge about the sensing mechanism could lead to a better understanding of the causes of obesity as ...