ScienceDaily: Most Popular News

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• Babies know what's fair
• Pregnancy-related complications predict CVD in middle age
• Discovery that migrating cells 'turn right' has implications for engineering tissues, organs
• Researchers develop better control for DNA-based computations
• A single protein helps the body keep watch over the Epstein-Barr virus
• Live from the thymus: T-cells on the move

Babies know what's fair Posted: 18 Feb 2012 10:46 AM PST "That's not fair!" It's a common playground complaint. But how early do children acquire this sense of fairness? Before they're 2, says a new study. "We found that 19- and 21-month-old infants have a general expectation of fairness, and they can apply it appropriately to different situations," says a psychology graduate student.

Pregnancy-related complications predict CVD in middle age Posted: 18 Feb 2012 10:45 AM PST Women who developed pregnancy-related hypertension (preeclampsia) or diabetes were at increased risk of cardiovascular disease (CVD) later in life. Preeclampsia was associated with a wider range of CVD risk factors and may be a better predictor of CVD in middle age than other pregnancy-related complications. Pregnancy may provide an opportunity to identify women at increased risk of CVD when they're relatively young -- allowing them to make lifestyle changes and get medical intervention earlier in life.

Discovery that migrating cells 'turn right' has implications for engineering tissues, organs Posted: 17 Feb 2012 07:11 PM PST What if we could engineer a liver or kidney from a patient's own stem cells? How about helping regenerate tissue damaged by diseases such as osteoporosis and arthritis? A new study bring scientists a little closer to these possibilities by providing a better understanding how tissue is formed and organized in the body.

Researchers develop better control for DNA-based computations Posted: 17 Feb 2012 11:57 AM PST A chemist has found a way to give DNA-based computing better control over logic operations. His work could lead to interfacing DNA-based computing with traditional silicon-based computing.

A single protein helps the body keep watch over the Epstein-Barr virus Posted: 17 Feb 2012 11:56 AM PST Some 90 percent of people are exposed to the Epstein Barr virus at some point in their life. Even though it is quickly cleared from the body, the virus can linger silently for years in small numbers of infected B cells. According to researchers, the immune system subdues the virus by watching for a single viral protein called LMP1.

Live from the thymus: T-cells on the move Posted: 17 Feb 2012 11:56 AM PST For the first time, scientists follow the development of individual immune cells in a living zebrafish embryo. T-cells are the immune system's security force. They seek out pathogens and rogue cells in the body and put them out of action. Their precursors are formed in the bone marrow and migrate from there into the thymus. Here, they mature and differentiate to perform a variety of tasks. Scientists have now succeeded for the first time in observing the maturation of immune cells in live zebrafish embryos.

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