The Discovery Communications Building in Silver Spring, Maryland decorated for Shark Week in August 2012.
Farragutful / Wikipedia

The Discovery Channel's Shark Week marathon starts this week. But UNC Communications researchers say the footage showing sharks acting like vicious predators can be misleading.

Suzannah Evans and Jessica Gall Myrick co-authored a study of people's responses to Shark Week footage. Evans, a doctoral candidate, says they found that viewers assumed they were more likely to be attacked by a shark than they really are.

A Dare County sheriff's deputy walks down damaged Route 12 after Hurricane Sandy in October 2012.
Steve Earley / Virginian-Pilot/AP

A new report from NationalGeographic.com begins this way: "Development and climate change are causing the islands to slowly vanish, scientists say."