No, they don’t need your cheers to “just keep going!” Rather, it’s likely those walk breaks are calculated. It’s all part of a time-honored technique known as “Jeffing,” and runners have been using it ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s ...

Agents use facial recognition, social media monitoring and other tech tools not only to identify undocumented immigrants but also to track protesters, current and former officials said. By Sheera ...