How carrots help us see the color orange

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One of the easiest ways to identify an object is by its color -- perhaps it is because children's books encourage us to pair certain objects with their respective colors. Why else would so many of us automatically assume carrots are orange, grass is green and apples are red?


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All News summaries for July 22, 2008

Study suggests LF elimination program is 'best buy in public health'

37 minutes ago | User rating: not rated yet
A study published today concludes that in the ten years since its initiation, the international effort to eliminate lymphatic filariasis (LF) has made a large impact towards ridding the world of one of its most debilitating ...

St. John's wort relieves symptoms of major depression

44 minutes ago | User rating: not rated yet
New research provides support for the use of St. John's wort extracts in treating major depression. A Cochrane Systematic Review backs up previous research that showed the plant extract is effective in treating mild to moderate ...

Can stem cells heal damaged hearts? No easy answers, but some signs of hope

45 minutes ago | User rating: not rated yet
Recent studies indicate that infusing hearts with stem cells taken from bone marrow could improve cardiac function after myocardial infarction (tissue damage that results from a heart attack). But in a recent systematic review, ...

Bad breath? Mouthrinses work, but some cause temporary staining

46 minutes ago | User rating: not rated yet
Over-the-counter mouthrinses really do put a stop to bad breath. The first systematic review on the effectiveness of mouthrinses shows that they play an important role in reducing levels of bacteria and chemicals that cause ...

University: Stem-cell study used falsified data

59 minutes ago | User rating: not rated yet
(AP) -- The University of Minnesota has concluded that falsified data were used in a 2001 article published by one of its researchers on adult stem cells. The school is asking that the article be retracted.
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