Catalyst: The dirty little secret of soaps

More from this show

The Food and Drug Administration may have banned the sale of healthcare products containing triclosan and triclocarban, but those same chemicals that compromise our immune systems still exist on store shelves and remain a serious threat. How do researchers know? They are looking at the bio clues that we are flushing down our toilets.

the cast of broadchurch on the beach in front of a cliff
aired Aug. 6

Broadchurch

A woman hugs a man from behind, resting her head on his shoulder
aired Aug. 1

POV “He’s My Brother”

Baratunde sitting criss-cross in the desert
aired Aug. 2

America Outdoors with Baratunde Thurston

Sir David Attenborough, Wiltshire, UK, explains how Water Crowfoot, Ranunculus aquitilis, has floppy underwater stems that flex with the current.
aired Aug. 3

The Green Planet

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