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.
Research has indicated that wide-spread industrial air pollution goes at least as far back as the ancient Greeks and Romans.
Is Earth's climate vulnerable to small disturbances? Two geologists described the past vulnerability of an ocean current called the North Atlantic conveyor.
How does the vine know to twine, and in what direction?
Ocean floors are mysterious places. Thought to be empty because of pressure, temperature & lack of light, they're amazing scientists with an array of organisms.
If you could see an alien planet from Earth, you wouldn't necessarily need to look for cities. You could just check for oxygen in the atmosphere.
Learn about gravity, stars, and really big lumps on this Moment of Science.
When you adapt to a temperature it means it doesn't feel cold or hot, but neutral.
Have you ever wondered why birds aren't electrocuted by the currents that flow through high-voltage power lines?
Some believe a large earthquake is going to send California careening into the Pacific. But is any of this based on scientific fact?
Ever tried conversing under water? Why is it that some words come out fuzzy while other come out perfectly coherent?
Researchers have found that you can tape record the various calls made by Vervet monkeys and play them back one at a time.
According to new genetic analysis, Southern Europeans, Middle Eastern groups and Jews share genes with African populations.
How tiny stones inside our heads tell us which way is up...
You took a stack of paper and burnt it. What happened to the papers when you lit them up?
Proboscis monkeys from Borneo and cows do have something in common: They both chew their cuds.
Cigarette packages in the US don't have graphic images yet, but they will soon.
According to some recent studies, fat substitutes may not help when it comes to losing weight. In fact, artificially low fat snacks may lead to weight gain.
Were the eggs we buy in the supermarket once embryos?
Flying may just be more dangerous than you'd previously thought.
Crumple up a piece of paper. The crumpled ball gets stronger the more it is compressed, why is that?
Everyone knows what gold is, but the commodity's stellar origins might come as a bit of a surprise.
Dragonflies, carnivorous insects with amazing hunting abilities, will hunt their prey in swarms.
A Moment Of Science revisits the science of hands and feet that wrinkle when wet.
One giant leap for mars mission feasibility, as Mars500 nears the end of its 520 day 'journey'.
The results of Indiana University's National Survey of Sexual Health and Behavior provide an empirical look into Americans' sex lives.
A recent study on the blood-urine barrier gives some reason for ambivalence over the promise of carbon nanotechnology.
A more detailed account of how neutrons become protons and vice versa.