Wikileaks, though technically not a wiki, provides an easy means to disseminate information that some find it desirable to share against the wishes of those who find it desirable to keep secret. Aside from the morality of the leaking itself, such a service provides a look into the activities of...
Increase the distance your melee weapons can reach as soon as you can.
You get more for melee kills, so make sure you keep running.
You want to be in front of the scientist at all times, clearing a path.