David Eagleman’s study of human time perception has inspired a post on MSNBC around why people are so fascinated by slow motion video. One reason—Eagleman offers a total of three here—is that it unmasks things we’d never normally see. Just check out the video above for some good examples of what you’re missing.

Social psychologist Jonathan Haidt talks morality, politics, and the Republican race on MSNBC’s Morning Joe.