stackyFACTS
Science

Charles Darwin called it “the most peculiar and most human of all expressions.” What physical response was he describing?

HERE’S THE INTERESTING PART

Charles Darwin called it “the most peculiar and most human of all expressions.” What physical response was he describing?

Charles Darwin called it “the most peculiar and most human of all expressions.” What physical response was he describing?
STACKY / Science
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 →
Why are humans instinctively terrified of spiders and snakes, but notoriously fearless about junk food and fast cars?
Science

Why are humans instinctively terrified of spiders and snakes, but notoriously fearless about junk food and fast cars?

Why are humans instinctively terrified of spiders and snakes, but notoriously fearless about junk food and fast cars?

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
Science

Evolution is still happening right now—some scientists argue human jaws are shrinking thanks to softer diets, while pinky fingers may vanish from phone overuse.

Imagine a sculpture that never dries, always soft enough to be reshaped when the world pokes at it—that’s us. Evolution isn’t a museum relic, it’s a live…

Discover more
Why do perfectly normal clusters of small holes—like a lotus seed pod or sea sponge—trigger intense disgust in millions of humans?
Science

Why do perfectly normal clusters of small holes—like a lotus seed pod or sea sponge—trigger intense disgust in millions of humans?

Why do perfectly normal clusters of small holes—like a lotus seed pod or sea sponge—trigger intense disgust in millions of humans?

Discover more
From an evolutionary standpoint, if you trace our genetic lineage back far enough, humans are shockingly closer relatives to what?
Science

From an evolutionary standpoint, if you trace our genetic lineage back far enough, humans are shockingly closer relatives to what?

From an evolutionary standpoint, if you trace our genetic lineage back far enough, humans are shockingly closer relatives to what?

Discover more
Crows can solve a water displacement puzzle
Science

Crows can solve a water displacement puzzle

Aesop's fable about the thirsty bird wasn't just a cute story; it was a peer-reviewed observation. When presented with a tube of water they can't quite reach,…

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