Archive: 5/02/2008

Big Mac: The whole world on your plate

A burger and fries may be the quintessential North American meal but it can also be viewed as the perfect example of humanity’s increasingly varied diet, according to researchers who have conducted a unique study of the ...

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DNA 'barcode' identified for plants

A 'barcode' gene that can be used to distinguish between the majority of plant species on Earth has been identified by scientists who publish their findings in the Proceedings of the National Academy of Sciences journal today.

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Freshwater Fish Invasions the Result of Human Activity

Globally, invasive species represent a major threat to native species. A new paper published this week in the open-access journal PLoS Biology shows that, for rivers and lakes, where these invasions occur is predicted by ...

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The neural basis of 'number sense' in young infants

Behavioral experiments indicate that infants aged 4 ½ months or older possess an early “number sense” that allows them to detect changes in the number of objects. However, the neural basis of this ability was previously ...

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