It sounds crazy, but household refrigerators keep food cold by bringing liquid fluorocarbon to a boil.
Learn more about the physics of hot air and why mountain tops are so cold.
All the refrigerator does is move heat, or energy, from one place to another. As the food inside the refrigerator loses its heat and gets colder.
By synchronizing movements and huddling with one another, Emperor penguins can stay warm in the coldest place on Earth.
Is there truth to the saying, "sweating out a cold?"
How does sublimation change the way ice cubes look?
Ever wonder why it is breezy at the beach in summer?
It's human intuition that something cold left outside in the sun will melt... but why?
Everyone knows you should put spinach and berries in the refrigerator, but how do cooler temperatures keep most fruits and vegetables from spoiling rapidly?
Ever been camping and wondered what the temperature was? Here's a way to find out! All you need is wrist watch, your ears, and a little patience.