Multiple goals, multiple solutions, plenty of second-guessing and revising − here’s how science really works

If your mental image of a scientist looks like this, you're due for an update. aluxum/E+ via Getty Images

A man in a lab coat bends under a dim light, his strained eyes riveted onto a microscope. He’s powered only by caffeine and anticipation.

This solitary scientist will stay on task until he unveils the truth about the cause of the dangerous disease quickly spreading through his vulnerable city. Time is short, the stakes are high, and only he can save everyone. …