stackyFACTS
Health

Humans can make sounds other animals can't

HERE’S THE INTERESTING PART

While plenty of animals can howl and screech loudly, human vocal tracts are uniquely engineered to produce the sharp, complex consonant sounds required for complaining.

Humans can make sounds other animals can't
STACKY / Health
One discovery leads to another.

Keep exploring facts in this topic.

Health →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
StackyMore discoveries in the app
Download on the App Store