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This week on ‘TechKnow’

Gold at any cost MONDAY 6:30E/3:30P

One of the world’s most bio-diverse and ecologically important areas-- the Peruvian Amazon--is under attack from a modern day gold rush. Underneath the tropical forest lies subsoil laced with gold, and removing that gold typically means reducing the landscape to a lunar wasteland; leaving behind toxic tracks of soil and water contaminated with mercury. TechKnow contributor Phil Torres reports.

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TechKnow: Concussion Technology - Full Episode

WATCH: TechKnow explores technology that may save athletes from brain damage as Football season gets underway.

Topics:
U.S.
Technology
Football

TechKnow: Spider Decoy - Full Episode

WATCH: Techknow goes into the Amazon, discovering a new spider that confuses predators by building a fake spider decoy.

Topics:
Amazon Rainforest
Science

TechKnow: Bulletproof Classroom - Full Episode

WATCH: TechKnow explores bulletproof backpacks and whiteboards making their way into children's classrooms.

Topics:
U.S.
Technology

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TechKnow is a weekly series about innovations that can change lives, an ongoing exploration of the intersection of hardware and humanity. It’s a show about science—by scientists.