Do you know what a meteor is, or what scientists mean when they are talking about cryogenics? Our collection of science terms explains the meaning of some of the most common scientific ideas.
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Lewontin, Richard Charles (1929-), an American evolutionary geneticist, introduced the study of molecular population genetics in the 1960's.
Merrifield, Robert Bruce (1921-) is an American biochemist who won the 1984 Nobel Prize in chemistry for his method of producing peptides and proteins.
Hubbard, Ruth (1924-) is an Austrian-born American biologist and biochemist whose contributions to the study of the biochemistry and photochemistry of vision in vertebrates and invertebrates have greatly advanced the understanding of the field.
Wright, Sewall Green (1889-1988), was an American geneticist who greatly influenced the fields of genetics (the study of heredity) and evolutionary biology.
Benzer, Seymour (1921-), an American geneticist, is one of the founders of modern behavioral geneties.
Altman, Sidney (1939-), a Canadian-born American molecular biologist, transformed scientific thought about how living cells work and how life began millions of years ago.
Nebulae are collections of dust and gases scattered across the galaxy. They're the sites where stars are born and what's left behind after they die.
By William Harris
For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
By William Harris & Craig Freudenrich, Ph.D.
Scientists announced the discovery of the largest known planet in the universe. TrES-4 has a density similar to balsa wood, and some say this gas giant could float on water. Learn why this planet is so puzzling and how planet hunters make amazing discoveries like these.
The Freemasons is a secret organization that began in the 1700s and is still in existence today. Who are the Freemasons? And what do they do in their secret meetings?
By Stephanie Watson
There's a 45-million-ton asteroid out there with Earth's name on it. In 2029, it'll be closer to us than our moon is. And that's not even the fly-by that scientists are worried about.
By Julia Layton
How do scientists find details about the early days of our solar system? One way is to investigate comets. Find out how the Deep Impact spacecraft fired an impactor into Comet Tempel 1 to get some answers.
By Carolyn Snare
Polymer crystals are amazing in that they can absorb many times their size. In fact, one pound of these crystal flakes can hold up to 50 gallons of water. Find out what these polymer crystals are and why they are able to absorb so much water.
Have you ever really thought about the scale of the universe? A good starting point is the teaspoon.