How We Got to Now with Steven Johnson Clips

1. "Release the dolphins!"—Sound

   Duration: 01:12

2. "Having trouble sleeping, Steven?"—Light

   Duration: 02:12

3. Meet Frederic Tudor—Cold

   Duration: 01:46

4. The job where every second counts—Time

   Duration: 02:04

5. What do toilets and iPhones have in common?—Clean

   Duration: 01:46