The limbic system comprises a group of structures in the forebrain that is implicated in emotion, memory and homeostatic processes. While definitions vary, it is often considered to include the ...

Systems biology is the study of biological systems whose behaviour cannot be reduced to the linear sum of their parts’ functions. Systems biology does not necessarily involve large numbers of ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...