We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Dear Eric: How does a person respond when invited for dinner at someone’s home who has cats and dogs? I am not a person who hates them. I get offended and heartbroken when they are mistreated. But I ...

Q: My extended family always asks me nosy questions when we get together. Is there a way I can tell them not to? And if that doesn’t work, what should I say when they ask? I really don’t want to talk ...

But in the meantime, I’m struggling. We don’t have (or want) an open relationship, so that’s not really an option. It’s not resentment. It’s more that I’ve been swallowing my own needs and fantasies ...

Dear Annie: My best friend, who I’ve known since college, recently started dating someone new, and she’s completely obsessed with documenting every detail of their relationship on social media. She ...

Dear Abby: A friend I’ve known since our school days works in the same organization I do. We’re in different departments, but we had similar jobs when I started six years ago. During that time, I’ve ...

Here’s a roundup of answers to three questions from readers. 1. How can I tell a good employee she’s not likely to advance here? I recently received an email from an employee wanting to discuss her ...

Dear Eric: My husband “Bob” and I celebrated our 30th anniversary this past spring. He has many wonderful qualities, but he’s also a “lone wolf” who very rarely asks for my input or help. A few months ...

From using words to overthrowing regimes, shared awareness is necessary for people to coordinate. The cognitive scientist explains to Nature how it works. When Everyone Knows That Everyone Knows...: ...

A therapist with deep ties to the military community, Dr. Emma Smith writes a monthly advice column for Military.com to address questions from our readers. This month, she responds to a message from a ...

Add Yahoo as a preferred source to see more of our stories on Google. An image collage containing 1 images, Image 1 shows A senior woman with white hair sitting on a sofa and holding her head in her ...