Science Matters

July 22, 2015

Special | 28m 19s

Danforth Plant Science Center research on algae led to a discovery about the origins of sex. Dinosaur expert Mark Norell has been dubbed “the coolest dude alive.” Washington State's Elwha River after a dam is removed. New York’s Story Collider performers take the stage to entertain audiences. St. Louis University gerontologist Dr. John Morley talks the dangers of a deficiency of common sense.

Aired: 07/21/15

Rating: NR

Video has closed captioning.

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