Astronomy, The Historical Foundations The article gives an overview of the developments in the science of astronmy that enabled us to be more knowledgeable of the nature and structure of celestial objects. One of the oldest sciences known to mankind, astronomy from prehistoric times has gained widespread interest because of the human ...
Some animals can travel as fast as a moving car, while others aren't quite as fast. Did you know the cheetah is not the fastest animal in the world? How Fast Can they go? Many people believe that the world’s fastest animal is the cheetah. The cheetah may be the world’s fastest land animal, ...
The white-tailed buck stopped grazing and looked up, sensing something was wrong. Suddenly a pack of wolves came rushing at him. He turned to flee, but it was too late. Silence! The forest went very still. The white-tailed buck stopped grazing and looked up, sensing something was wrong. Suddenly a ...
This article talks about vampire bats. Vampire bats are real all right, but not in the way some people think. When we hear "Vampire Bat," we often think of vampires, a vampire changing into a bat and back again, or a vampire bat sucking blood from its victim. Vampire bats ...
Sharks usually have no desire to eat people, so why do they attack humans? Sharks usually have no desire to feed on people; they would much rather have a meal of seal, fish, dolphins, whales, or even other sharks. Although there have been some cases of shark attacks on humans, it ...
Viruses are everywhere and infect nearly every living thing. Even bacteria get virus infections. Viruses are very small forms of life. In fact people still argue over whether viruses are really alive. How small are viruses? Viruses range in size from about 20 to 300 nanometers (nm). How big is ...
Bacteria are much larger than viruses. They range in size from 1 micron to 200 microns. A good place to see the difference in sizes can be found at Cells alive. There you can see that bacteria are about 10 times bigger than viruses. Bacteria are still quite small and ...
What is electricity? The best answer is IDM (It's Damn Magic). When you begin to consider all that is done with electricity - generators, transformers, capacitors, batteries, etc, IDM is a pretty good description. But in it's simplest form, electricity is the passing of electrons. If you can imagine a piece ...
Glucose is sugar. The body is able to break down many kinds of food into glucose to provide us with energy. Blood sugar levels increase after we eat or drink anything other than water, and therefore we do not need all the sugar and sweets that we eat. Every cell in ...
"I am among those who think that science has great beauty. A scientist in his laboratory is not only a technician: He is also a child placed before natural phenomena which impress him like a fairy tale. ? [I do not] believe that the spirit of adventure runs any risk ...
View Marie Curie: Pioneer in Science Expands Health Horizons →