Archives for September, 2011

Every Smell Has Its Place

The olfactory membranes in your nose are densely packed with smell receptors. These receptors come in some 400 different subtypes; complex odors like that of rose petals can waft around 175 distinct kinds of odor molecules in the direction of your nose. In other words, the number of discrete odors we can perceive runs to…

Our latest annual report is now online, and we think the results are worth looking at. We started with a favorite theme — art and science — and took it a step further. Ten short pieces on scientific research that deals with movement — of proteins, electrons, black holes or theoretical random walkers — are…

Last month, Penn Medicine put out a press release heralding a “cancer treatment breakthrough 20 years in the making.” In a small clinical trial, three patients with advanced chronic lymphocytic leukemia (CLL) were treated with genetically engineered versions of their own T cells. Just a few weeks after treatment the tumors had disappeared, and the…