![A colorful pigeon standing in an urban setting.](https://www.mskcc.org/sites/default/files/styles/width_200/public/node/242152/main_image/img03698-12x8-1.jpg)
SKI Scientists Discover a New Twist on an 80-Year-Old Biochemical Pathway
With the resurgence of interest in cancer metabolism, researchers are coming to realize that there is more to a cell’s biochemistry than once thought.
In Brief
![A fluorescent image of cells undergoing differentiation in a mouse model.](https://www.mskcc.org/sites/default/files/styles/width_200/public/node/197161/main_image/mskcc-press-image-1200x800.jpg)
Cancer Stem Cells’ Reliance on a Key Amino Acid Could Be an Exploitable Weakness
The discovery links metabolism to the way cancer stem cells form tumors.
In the Lab
![illustration of the p53 protein binding to a DNA helix](https://www.mskcc.org/sites/default/files/styles/width_200/public/node/181954/main_image/istock-991120914_1200x800.jpg)