everyday know-how

Those red and yellow paint dots on new tires are installer reference marks, not warnings. Here is how to read them correctly.

Planes do cross the Atlantic during the day. The overnight pattern mostly comes from direction, time zones, demand, and winds.

That small fish on a car is usually the ichthys, a Christian symbol often called the Jesus fish. Here is how to read it and recognize common versions.

The most practical way to hang toilet paper is over the roll in most bathrooms, with a few smart exceptions for pets, toddlers, and comfort.

A calm, practical guide to checking a strange bathroom-floor spot, cleaning it safely, and knowing when it may point to a health concern.

A blue stop sign usually signals a stop instruction in a nonstandard or private-property setting, not a standard U.S. public-road stop sign.