Pull the dart out, and turn left to analyzer. Place the dart in the analyzer, then go to the huge flat monitor and build an antidote to the tranquilizer. Search around the lab for scientific journal entries recorded as video clips. There are some clues in the messages. Go through maze, avoiding contact with people.
Most people are in the Auditorium for the meeting.
Search the passageways for the Auditorium Electrical Access door. Go in and you will find a man on the catwalks, about to assassinate Dr. Enrique Castillo. If you delay, he will succeed, which will alter history. You will need an item from the Mars Colony to defeat the robot, and you must act quickly. Grab BioChips from the robot.