stackyFACTS
Science

The sound of fingernails scraping down a chalkboard makes our skin violently crawl because it perfectly matches what primal noise?

HERE’S THE INTERESTING PART

The sound of fingernails scraping down a chalkboard makes our skin violently crawl because it perfectly matches what primal noise?

From the Stacky collection1 min read
The sound of fingernails scraping down a chalkboard makes our skin violently crawl because it perfectly matches what primal noise?
STACKY / Science
Topics in this factevolutionaudiobiology
One discovery leads to another.

Keep exploring facts in this topic.

Science →
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 →
Beyond modern romance, what cold, evolutionary biological function does kissing on the lips actually serve?
Science

Beyond modern romance, what cold, evolutionary biological function does kissing on the lips actually serve?

Beyond modern romance, what cold, evolutionary biological function does kissing on the lips actually serve?

Discover more
Why does seeing someone else violently throw up instantly make you want to throw up too?
Science

Why does seeing someone else violently throw up instantly make you want to throw up too?

Why does seeing someone else violently throw up instantly make you want to throw up too?

Discover more
You share about 50% of your DNA with a banana, but what surprising organism do you share roughly 70% with?
Science

You share about 50% of your DNA with a banana, but what surprising organism do you share roughly 70% with?

You share about 50% of your DNA with a banana, but what surprising organism do you share roughly 70% with?

Discover more
RNA evolved into a tiny loop that replicated faster
Science

RNA evolved into a tiny loop that replicated faster

Evolution usually favors complexity, but sometimes being dumb and fast is the superior survival strategy. In the 1960s, geneticist Sol Spiegelman put…

Discover more
Human DNA is comprised of roughly eight percent ancient viral fragments, left over from infections that plagued our evolutionary ancestors millions of years ago.
Science

Human DNA is comprised of roughly eight percent ancient viral fragments, left over from infections that plagued our evolutionary ancestors millions of years ago.

Human DNA is comprised of roughly eight percent ancient viral fragments, left over from infections that plagued our evolutionary ancestors millions of years…

Discover more
What are those tiny, transparent worm-like squiggles you sometimes see floating when looking at a bright sky?
Science

What are those tiny, transparent worm-like squiggles you sometimes see floating when looking at a bright sky?

What are those tiny, transparent worm-like squiggles you sometimes see floating when looking at a bright sky?

Discover more
StackyMore discoveries in the app
Download on the App Store