PD-1 checkpoint proteins on T cells (blue) can bind to two different receptors: PD-L1 and PD-L2. There are many ways to climb a mountain. This saying especially rings true in cancer research, where ...

When many cancers advance, spread and reoccur, checkpoint inhibitors can help keep difficult tumors at bay. These antibody-based immunotherapies can restore the body’s ability to recognize and ...

It’s lauded by some as one of the best ways to improve teaching and learning, scorned by others as a complete waste of time. It’s something that teachers might have access to weekly, or barely get ...

The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler. Share on Pinterest Some eyewear ...