PBS

Science Matters

April 22, 2015

Special | 25m 19s

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St. Louis’ combined sewer system does not meet environmental standards.  Why the Metropolitan Sewer District is digging tunnels and planting gardens to address the issue.  Some tech designers are creating tablets custom-built for grandparents.  Jim Kirchherr talks via Google Hangouts with the PBS NewsHour’s tech-savvy Hari Sreenivasan about the fast pace of change in science and innovation.

Aired: 04/21/15 | Rating: NR

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