A concept initially introduced by the now-defunct FiveThirtyEight.com has been significantly expanded and revived as the "Trump Score," a new metric to measure how closely members of Congress align ...

Scanning a loyalty card might be costing you money. Companies say they’re rewarding your devotion with points, discounts and perks. But behind the scenes, many are using these programs to monitor your ...

The growing availability of low-cost air quality sensors is helping people across the world track air pollution. Headway The growing availability of low-cost air quality sensors is helping people ...