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Chronic lymphocytic leukemia, the most common form of blood cancer, is a strikingly heterogeneous disease. In some cases, the disease is aggressive and fatal; in others, it causes few symptoms for years or decades. From a genome analysis perspective, CLL is also unusual: it is quiet.

When the Spanish flu stalked the globe in 1918, some theorized that the death toll was so dire because of the World War I effort. Young and previously healthy soldiers and civilians alike had simply pushed themselves too hard, the theory went, running down their immune systems and leaving them vulnerable to a viral pandemic that ultimately killed worldwide.

Ó³»­´«Ã½ Director Eric Lander is profiled in today's New York Times as a leader in science who co-founded a biomedical institute although his field was at first pure mathematics.

"Power in Numbers," the in the Times's Science section, starts with his childhood in Brooklyn, follows his path to Princeton and Harvard Business School, and spotlights pivotal moments in his career and in science.

Last year during the holiday season, we invited Ó³»­´«Ã½ 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!