Add Yahoo as a preferred source to see more of our stories on Google. Are you curious about the world's most unusual habits? People can get hooked on things you might never even consider addictive.

We're all terrified of being considered weird by the crowd and judged, so most of us put energy into appearing wonderful, ...

The video presents six unusual animal behaviors that continue to attract scientific attention. Each segment features recorded footage of animals displaying actions that differ from typical patterns.

Everyone knows about the classic cheating signs — sudden phone secrecy, unexplained absences, and mysterious expenses. But sometimes infidelity reveals itself in much more subtle ways that most people ...