For decades, dogma dictated that the immune system consisted of two separate branches. Cells of the innate system respond rapidly to molecular patterns shared by a broad array of pathogens. Meanwhile, ...

Take a look around your home and you'll find yourself surrounded by familiar comforts—photos of family and friends on the wall, well-worn sneakers by the door, a shelf adorned with travel mementos.

A new study in mice suggests that memory problems in Alzheimer’s disease may stem from a breakdown in how the brain replays recent experiences during periods of rest. The research was carried out by s ...

However, details of the intervening steps, as researchers have learned in the past 65 years, are quite complex — certain cells carry the flu antigen to the immune system, specific immune cells respond ...