Ari Daniel Shapiro

Environment

Scientists Repel Sharks - to Save Them

An American chemist says he's found a substance several, in fact, that can repel some of the most fearsome predators in the ocean, and he wants to use his discovery to protect them. Reporter Ari Daniel Shapiro of our partner program NOVA has the story.

Environment

Gene Test Offers Whiff of Hope

Genetic tests allow doctors to diagnose disease, but the knowledge of what's in your DNA doesn't always help in the way one might hope. Reporter Ari Daniel Shapiro of our partner program NOVA has the story of one man and his unusual gene.

A Green Ocean

Every picture tells a story, and one NASA scientist uses satellite images to find out what the earth is made of and how it changes over time.

Adroitly Adrift

Scientists, students, and fishermen are setting floats with GPS units called drifters out to sea to track ocean currents.

A Leafy Green Sea Slug

The little green sea slug known as Elysia chlorotica is a complicated creature – part sea slug, part plant and part virus factory.

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