News and views in molecular biology aimed at the research scientist and advanced student.

In a groundbreaking study led by an eminent molecular biologist at Florida State University, researchers have discovered that as embryonic stem cells turn into different cell types, there are dramatic corresponding changes to the order in which DNA is replicated and reorganized.

The stickleback fish, Gasterosteus aculeatus, is one of the most thoroughly studied organisms in the wild, and has been a particularly useful model for understanding variation in physiology, behavior, life history and morphology caused by different ecological situations in the wild.

In case anyone was wondering, I am far from alone in my call for a new science policy in the coming administration. It is the topic of the editorial in a recent issue of Science Magazine America's premier scientific journal.

A novel therapy using a miniature nerve stimulator instead of medication for the treatment of profoundly disabling headache disorders improved the experience of pain by 80-95 percent, according to a new study from the University of California, San Francisco and the National Hospital for Neurology and Neurosurgery in London.

The US Supreme court began hearing testimony on whether or not the Navy's use of sonar should be regulated by Environmental Laws. How important is this case?

Moderate physical activity during pregnancy does not contribute to low birth weight, premature birth or miscarriage and may actually reduce the risk of complications, according to a Michigan State University professor who contributed to the U.S. government's first-ever guidelines on physical activity.

Researchers at Yale University have created a blueprint for artificial cells that are more powerful and efficient than the natural cells they mimic and could one day be used to power tiny medical implants.

Scientists at the world-leading Department of Genetics at the University of Leicester – where the revolutionary technique of genetic fingerprinting was invented by Professor Sir Alec Jeffreys- are developing techniques which may one day allow police to work out someone's surname from the DNA alone.

Data from a new study suggests that individuals who engage in compassion meditation may benefit by reductions in inflammatory and behavioral responses to stress that have been linked to depression and a number of medical illnesses.