Fresh Air on WKNO HD-2

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

When most of us think about computer hacking, we picture Julian Assange leaking government secrets or a shadowy, bad-shave crook in some former Soviet republic hoovering up credit card info from a chain store. But while folks like these do stir up all manner of trouble, a much deeper danger lies elsewhere.

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our weekend show emphasizes interviews with writers, filmmakers, actors and musicians, and often includes excerpts from live in-studio concerts. This week:

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

The first time he encountered a tiger shark in the water, marine ecologist Neil Hammerschlag was in the Bahamas conducting research. His team was on a boat and hadn't seen many sharks, so when someone yelled, "Tiger shark!" he grabbed his snorkel gear and camera and jumped into the water.

"One [tiger shark] moved right in toward me and came close," Hammerschlag tells Fresh Air's Dave Davies. "It opened its mouth, and I was looking through its mouth down its gut and seeing its gills from the inside."

Copyright 2016 Fresh Air. To see more, visit Fresh Air.

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