Tips to identify potentially unsafe ice • Look for any cracks, breaks, holes, weak spots or abnormal surfaces such as pressure ridges caused by currents- If you see any of these, do not go onto ...

The idiom “skate on thin ice” usually means: danger—stop what you’re doing, or else. However, skating on thin, black ice is exactly what Swedish ice skating enthusiasts Henrik Trygg and ...

commonly called “black ice,” visibly bending under the skater’s weight. Which raised the question: Why doesn’t this thin frozen surface break? If you're enjoying this article, consider ...