Narrator: If you're hiking pretty much anywhere in the US, this is one sound you don't want to hear... [Audio of rattlesnake rattle.] The warning of a rattlesnake. Now, just because a rattlesnake ...

For many, the sound of a rattlesnake’s rattle sparks fear. But in Sweetwater, it draws people from all over the country to ...

says this has happened to her when studying rattlesnakes in the wild. “They sound like they are right here,” she says. “And they are not.” New research published in Current Biology today (August 19) ...