Mental Floss

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iStock/BahadirTanriover

Was that mysterious "bloop" in the ocean made by a whale? Or by something much more mysterious? Investigators still don't know.

Caitlin Schneider


iStock / SIphotography

When you speak, vibrations from your vocal cords resonate in your throat and mouth, and some get transmitted and conducted by the bones in your neck and head. The inner ear responds to these just like any other vibrations, turning them into electrical sig

Matt Soniak


ThinkStock

As a marker of singularity, our voices are as effective as our fingerprints. Though people may share a similar pitch or certain vocal characteristics, under close examination, no two voices are alike. Height, weight, hormones, provenance, allergies, struc

Kevin Kampwirth