CURIOUS BY NATURE

The world is far stranger than it looks.

Explore remarkable discoveries across nature, science, space, technology, history and the human mind.

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Broken sea ice floating beside the snowy Shiretoko Peninsula

Featured discovery13 min read

Why Does Ice Float?

Bat flying through a dark abandoned mine shaft

Nature & Wildlife13 min read

How Do Bats Use Echolocation?

Young woman smiling while covering part of her flushed face

The Human Body & Mind13 min read

Why Do We Blush?

Black-and-white view of stalactites and stalagmites inside Carlsbad Caverns

Earth & The Planet12 min read

How Are Caves Formed?

Blue-green ocean waves breaking below a rocky coastal lookout

Earth & The Planet13 min read

What Causes Ocean Waves?

TEN WORLDS TO EXPLORE

Follow your curiosity.

Start anywhere. Every subject leads somewhere unexpected.

01Nature & Wildlife35 discoveries 02Science13 discoveries 03Space & The Universe24 discoveries 04Strange & Amazing2 discoveries 05Technology & AI20 discoveries 06History & Knowledge19 discoveries 07Earth & The Planet28 discoveries 08The Human Body & Mind24 discoveries 09Ideas & Learning3 discoveries 10Daily Discoveries1 discoveries

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Close view of human facial skin in daylight, an area commonly protected from ultraviolet exposure

The Human Body & Mind12 min read

How Does Sunscreen Protect Your Skin?

Sunscreen uses ultraviolet filters to absorb most incoming UV energy before it reaches vulnerable skin cells; mineral filters also scatter and reflect a smaller…

Domestic cat resting indoors with its flexible body and paws visible

Nature & Wildlife13 min read

Why Do Cats Land on Their Feet?

Several sharks swimming through clear blue seawater with gill slits visible behind their heads

Nature & Wildlife13 min read

How Do Fish Breathe Underwater?

Grey tabby domestic cat resting indoors and looking toward the camera

Nature & Wildlife14 min read

Why Do Cats Purr?

Dense star field in the constellation Cepheus recorded by NASA’s Dawn spacecraft camera

Space & The Universe13 min read

Why Do Stars Twinkle?

Black-and-white close-up of a central pocket loop whorl fingerprint pattern

The Human Body & Mind13 min read

How Do Fingerprints Form?

Close-up photograph of freshly chopped white onion pieces on a cutting surface

Science13 min read

Why Do Onions Make You Cry?

Bright Milky Way above the Atacama Desert at night

Space & The Universe12 min read

Why Do Stars Twinkle?

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The world is far stranger than it looks.

Follow your curiosity.

Latest discoveries

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One remarkable idea.
Delivered regularly.