contagious

(Photo by Center for Disease Control via Getty Images)

What You Need to Know About Ebola

How come nurses wearing protective gear can catch Ebola from a patient, but health officials keep saying you almost certainly won’t get it from someone sitting next to you on a plane?

10/15/2014

File photo of man dressed as Freddy Kruger. (credit: Enzo Tomasiello/Getty Images)

Study: People Can Smell Fear

A new study finds that humans can smell fear.

11/06/2012

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