To play this video you need to enable JavaScript. Do you find you generally have the same opinions as your friends, or different? And are you able to keep calm if someone says something you disagree ...

Tyron Marhguy, the well-known Rastafarian student from Achimota, excelled at the University of Pennsylvania, creating a computer brain from scratch.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...