Catalyst: Aging infrastructure

“Catalyst” explores the aging infrastructure of Los Angeles and why an Arizona State University professor says there may be lessons we can learn for the future of the Valley.

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In this segment:

Mikhail Chester, Ph.D.

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Nature “My Garden of a Thousand Bees”

Filmmaker Martin Dohrn set out to record all the bees he could find in his tiny urban garden in Bristol, England.

Secrets of the Dead “Lady Sapiens”

Secrets of the Dead’s revelations defy previous understanding of the power dynamics of ancient society.

Great Performances: Now Hear This "Beethoven's Ghost"

Go inside the mind of a genius as host Scott Yoo and fellow musicians undertake a recording of Beethoven's most personal music at a historic Berkshires manor to explore the composer’s brilliant career—where they are visited by some unexpected guests.