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How Skin Color Is Determined
February 22, 2008 — Skin color is one of the most visible indicators that helps distinguish human appearance, and a new study provides more detail as to how one protein helps produce this wide palette. In 2005 ... > full story -
Worm Defecation Holds Clues To Widespread Cell-to-Cell Communication Process
February 21, 2008 — The focus of two recent Nobel prizes, a species of roundworm has made possible another advance in the understanding of how cells talk to one another. A new mechanism through which cells in the worm's ... > full story -
Artificial Sweeteners Linked To Weight Gain
February 10, 2008 — Want to lose weight? It might help to pour that diet soda down the drain. Researchers have laboratory evidence that the widespread use of no-calorie sweeteners may actually make it harder for people ... > full story -
How Mars Could Have Been Warm And Wet But Limestone Free
December 21, 2007 — Planetary scientists have puzzled for years over an apparent contradiction on Mars. Abundant evidence points to an early warm, wet climate on the red planet, but there's no sign of the widespread ... > full story -
Discovery About Urine May Lead To Hypertension Treatment
November 8, 2007 — Researchers have identified a hormone from human urine that opens the door to developing novel medications to control sodium levels and treat ... > full story -
Master Switch That Regulates Blood Pressure Identified
November 1, 2007 — Researchers studying a rare form of hypertension has identified the mechanism by which they believe a protein complex in the kidney operates as a master switch that regulates blood pressure, a ... > full story -
Condiments Can Take Food From 'Blah' To 'Ahh' And Add Nutritional Value
October 19, 2007 — With the right choice of condiments, seasonings or sauces, ordinary food can go from "blah" to "ahh" -- with a boost in nutritional value. According to a dietary professor, "We eat with our eyes, and ... > full story -
Why Is The Ocean Salty?
October 12, 2007 — The saltiness of the sea comes from dissolved minerals, especially sodium, chlorine, sulfur, calcium, magnesium, and potassium, says a professor of atmospheric and oceanic sciences. Today's ocean ... > full story -
Sodium Loses Its Luster: A Liquid Metal That's Not Really Metallic
September 26, 2007 — When melting sodium at high pressures, the material goes through a transition in which its electrical conductivity drops threefold. Usually when a solid melts, its volume increases. In addition, when ... > full story -
Food Additives Linked To Hyperactivity In Children, Study Shows
September 9, 2007 — A major study has shown evidence of increased levels of hyperactivity in young children consuming mixtures of some artificial food colors and the preservative sodium benzoate. The possibility of food ... > full story
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