Curious when the ocean freezes? Learn how salt affects freezing and why sea ice forms in only the coldest climates.

Road-salting season is upon us. With icy roads and walkways looming throughout winter—and late fall or early spring, depending on your relationship with the La Niña vs. El Niño climate patterns—salt ...

In this experiment, you'll discover how salt can help a string stick to ice. This simple demonstration shows how salt affects ice's freezing point and creates an unexpected result that seems to defy ...