

A tooth that senses the sea
The Unicorn of the Sea
A narwhal's long, spiraled tusk isn't a horn at all β it's actually a giant tooth, longer than a grown-up is tall, packed with nerve endings that can sense the water around it.
β A tiny world of big discoveries
Pick a card and uncover something amazing about our wild, wonderful planet.
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A tooth that senses the sea
A narwhal's long, spiraled tusk isn't a horn at all β it's actually a giant tooth, longer than a grown-up is tall, packed with nerve endings that can sense the water around it.


Floating together
Sea otters often hold paws while they sleep, so ocean currents don't drift them apart from each other.


Mighty little lifter
A rhinoceros beetle can carry about 100 times its own body weight on its back.


Six-sided artist
Every snowflake grows six sides, and no one has ever found two that are exactly alike.


Ice that grows in the sky
A single hailstone can be tossed up and down inside a storm cloud again and again before it finally falls as a lump of ice.


Roots on the move
Mangrove trees grow roots that arch up out of the mud like a tangle of legs, letting them stand right in the salty sea.


Sky's icy circle
Sometimes a giant glowing ring circles the sun, painted by ice floating high in the sky.


Memory keeper
The oldest elephant in a herd remembers the way to water holes that only she has ever visited.


A planet covered in rust
Mars looks red because its dusty ground is covered in rusty iron, the same kind of rust you might find on an old nail left out in the rain.


Snuggled in stinging arms
A clownfish can swim safely among a sea anemone's stinging tentacles, which would sting almost any other fish that touched them.


Ancient light
The light from a star can travel for years, even centuries, before it finally reaches your eyes on a clear night.


Streak of light
A "shooting star" isn't a star at all, it's a tiny speck of rock or dust burning up as it zips through our sky.
Wonder grows here
Short, joyful facts make it easy to pause, ask questions, and see the everyday world with brand-new eyes.
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