Re: Did they ever explain how Geordi...
Plus in a progressive future like Trek, everyone seems to be awesome at everything. Look at Dax, Spock and Data. They have expertise in a wide range of sciences (chemistry/physics/biology/computer/math).
They are some what exceptional though. Data's an android, Spock's a hybrid and Dax has multiple lives to pull from.
The boring one, the one with Khan, the one where Spock returns, the one with whales, the dumb one, the last one, the one with Kirk, the one with the Borg, the stupid one, the bad one, the new one, the other one with Khan.