7
votes
2answers
480 views

How to be safe on lake and river ice and what should I do when I fall through?

It's late October and in cold, northern hemisphere climates, winter has arrived, and moderate northern hemisphere climates will follow soon. In my area, small lakes are already frozen and people have ...
10
votes
6answers
182 views

How to avoid the layer of ice inside a water bottle during winter activities?

Is there a special way to avoid the layer of ice that forms inside a water bottle during winter activities?