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31st Jan 2011

Better Biofuel? Ask a cow...


Diana O'Carroll

Ben Valsler
Bos taurus with a nose ring of the type that is used to wean calves. Family: Bovidae. Location: Münster, NRW, Germany

In this NewsFlash, we find out why our model of the circadian clock might be wrong, how the bacteria that live inside a cow’s gut could help make better biofuels, and why groups of animals make better decisions.  Plus, how some bacteria make rapid changes to their genome – avoiding the immune system as well as preventing us from making effective vaccines.

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News

(c) National Institutes of health

Resetting the Circadian Clock

Biological clocks play an essential role in physiology and in controlling behaviour – from regulating sleep cycles in animals to balancing photosynthesis in plants. Now, research published in Nature suggests that our model of how the clock works might be wrong...

(c) Lea Maimone

Chewing the cud (and how it got there)

Researchers in America this week have dramatically enlarged the catalogue of known genes which allow an organism to break down plants. This new information could be very useful in producing biofuel from plant matter.

(c) Osado

Many heads are better than one

Animals come to better decisions more quickly in larger groups, according to research published in the journal PNAS this week...

(c) pngbot

Brain activity can demonstrate how fast a second language is learned

This week teams in both Hong Kong and Chicago have found that the levels of activity in two specific areas of the brain can be used to predict how well someone is learning a second language.


Interviews

(c) CDC/Janice Carr/Dr. Richard Facklam

Rapid Change in Bacterial Genome

New research sheds light on how some bacteria are capable of extremely quick genetic change, incorporating whole sections of DNA from other cells to evade our immune system and invalidate our vaccines...




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