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For the first time in Australia, scientists at Sydney's Centenary Institute have filmed an immune cell becoming infected by a parasite and followed the infection as it begins to spread throughout the body. 

Professor Wolfgang Weninger, head of the Immune Imaging program at the Centenary Institute, says the discovery was made possible using high powered multi-photon microscopy which allows real cells to be viewed in real time. 

Middle-aged men want younger women and don't mind talking about their own positive qualities to get them, according to research at Gothenburg University and Oxford University that studied 400 matchmaking ads to see how men and women choose partners.

There's no shortage of ideas about how men and women choose their partners. Among the more established myths is that men place more emphasis on attractive appearance, whereas resources and social status are more important to women.  By examining romantic advertisements, researchers at the University of Gothenburg and the University of Oxford say they were able to test how valid these presumed preferences are when modern individuals choose partners.

Four living presidential science advisors, Democrats Drs. John H. Gibbons and Neal F. Lane and Republicans Drs. Edward E. David and John. P. McTague, have written an article called "Making a Critical Connection: Science Advice and the Next President", which highlights the need for the swift appointment of a science advisor whom President-elect Barack Obama trusts. 
In times of economic distress and plenty, ninety percent of Americans pray, more than half of us once a day or more. We pray for big things—to stay healthy, to keep our jobs, and to strengthen our relationships. And we pray for small things—to find parking spaces and missing items. Some of us are sure God exists and others pray simply to cover the bases. 
For years, pear-shaped people who carry weight in the thighs and backside have been told they are at lower risk for high blood pressure and heart disease than apple-shaped people who carry fat in the abdomen. But new findings from nutrition researchers at Washington University School of Medicine in St. Louis suggest body-shape comparisons don't completely explain risk.

In two studies, they report excess liver fat appears to be the real key to insulin resistance, cholesterol abnormalities and other problems that contribute to diabetes and cardiovascular disease. Having too much fat stored in the liver is known as nonalcoholic fatty liver disease.
New images taken by instruments on board ESA's Venus Express provide a unique insight into the windy atmosphere of our neighbouring planet and reveal that global patterns at the Venus cloud tops are the result of variable temperatures and cloud heights.

Using the spacecraft's ultraviolet and infrared cameras, the Venus Express team, including UK scientists, have been able to compare what the planet looks like at different wavelengths, allowing them to study the physical conditions and dynamics of the planet's atmosphere. These results appear today (4th December) in the journal Nature.