A Harvard Medical School study shows the sex hormone estrogen — thus far thought to be only a fuel for breast cancer growth — can directly cause tumor-driving genomic rearrangements.

Researchers describe for the first time how relationships between different odors are encoded in the olfactory cortex, the region of brain responsible for processing smell.

Neuroscientists have discovered neurons that control hibernation-like behavior in mice, a finding that could translate into applications in humans, such as preventing brain injury during a stroke.