As large and ubiquitous as Amazon is today, it's difficult to remember that it started in a garage. Jeff Bezos and his first few employees packed books and took them to the post office themselves in ...

Viral evolution refers to the heritable genetic changes that a virus accumulates during its life time, which can arise from adaptations in response to environmental changes or the immune response of ...

Social evolution is the area of evolutionary biology that studies how social interactions, especially between individuals of the same species, arise, change and are maintained. A particular focus is ...