Are They Safe?/The Seed School/Marty's Big Idea - S42.E34
"Are They Safe?" investigates the danger posed by phthalates a set of chemical compounds that are found in many plastics. "The Seed School" examines a successful inner city public boarding school. "Marty's Big Idea" interviews the inventor of the cell phone. "Andy Rooney" talks about advice from his doctor.
Are They Safe?/The Seed School/Marty's Big Idea - S42.E34
May 23, 2010
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