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Last year during the holiday season, we invited ӳý researchers to submit scientific images with a seasonal flair. We thought it would be fun to revisit those images, resembling holiday lights, cracked ice, and tinsel. Enjoy this slideshow of festive imagery from the world of science as we count down to the new year!

Ten years after the human genome was first published, researchers have found new clues into the machinery that influences gene function. The team, led by Bradley Bernstein, an associate professor of pathology at Massachusetts General Hospital and Harvard Medical School and senior associate member at the ӳý, and Aviv Regev, a core member at the ӳý and associate professor at MIT, focused on chromatin, the complex of non-genetic material associated with DNA that drives gene expression, and specific regulators that orchestrate chromatin activity.

Dengue disease can be deadly. People infected by the mosquito-borne virus can develop an infection whose mild form is so harsh it’s called “break-bone fever.” Severe forms of the disease known as dengue hemorrhagic fever and dengue shock syndrome can be killers, making the disease a pressing public health problem in the sub-tropical regions where it is endemic. There is no treatment beyond fluid management, there is no therapeutic, and there is no vaccine. Why one person and not another succumbs to the virus has been suspected, but not known.