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.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. How does the brain store—and access—our memories? While our ...

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 ...