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Senses Redefined

Animals that see colors you can't imagine, hear through bones, or smell in stereo.

19 discoveries ~76 min

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01
Blind pets face severe drowning risks near open water. Because they cannot see edges, f…
Blind pets face severe drowning risks near open water. Because they cannot see edges, f…
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02
The Animal with Nine Semi-Independent Brains
Two-thirds of an octopus's neurons are in its arms, meaning its limbs can taste, touch, and think on their own.
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03
Your Brain is Hallucinating Most of What You See
Your eyes have a physical hole in their field of vision, but your brain lies to you about it.
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04
A toddler could swim through a whale's arteries
A blue whale heart is the size of a bumper car, and its primary blood vessels are wide enough for a human child to crawl through.
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05
The frog that turns into a living ice cube
The Alaskan wood frog survives winter by letting 65 percent of its body water freeze solid, stopping its heart entirely.
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06
Deep Space Smells Like Raspberries and Rum
A giant gas cloud at the center of the galaxy is made of the same chemical that flavors fruit.
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07
Your eyes decide what you hear
When your eyes see a mouth move one way but your ears hear a different sound, your brain invents a third sound to fix the conflict.
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08
Uranus smells like rotten eggs. Actually.
The upper clouds of Uranus smell exactly like rotting eggs.
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09
The Color of Sound That Boosts Memory
Pink noise is the secret frequency that synchronizes your brain waves for a deeper, more restorative sleep.
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10
The Nostalgic Highway Inside Your Brain
Your sense of smell is the only sense that bypasses the brain's main switchboard, hitting your emotions instantly.
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11
The Silent Vacuum Where Sound Waves Die
Sound cannot travel in space because there is no matter to vibrate, leaving the universe completely silent.
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12
Butterflies taste with their feet. Their FEET.
A butterfly must step on its food before it knows if the meal is worth eating.
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13
Octopuses have three hearts and blue blood
And maybe a different kind of consciousness.
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14
The Northern Lights make sounds nobody can explain
Recorded, debated, still mysterious.
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15
A jellyfish the size of a basketball can stop your heart in three minutes
Its venom can stop a human heart in three minutes.
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16
The Fish That Generates Its Own Electricity
An electric eel can fire 600 volts on command — enough to stop a horse's heart. Its body is a living battery.
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17
The Kakapo Is A Heavyweight Parrot Seeking A Comeback
New Zealand’s flightless, nocturnal parrot smells like an antique violin and relies on a booming voice to find a mate in the dense forest.
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18
Closing your eyes doesn't stop you from knowing where your hands are
You have a hidden sixth sense that maps your body in pitch darkness. Without it, you couldn't walk, eat, or even scratch an itch without looking.
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19
Staring at these lines can break your color vision for months
A specific pattern of colored lines creates a psychological glitch so deep it can permanently alter how your brain perceives reality for weeks or even months on end.
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Senses Redefined

All discoveries

Blind pets face severe drowning risks near open water. Because they cannot see edges, f…

The Animal with Nine Semi-Independent Brains

Your Brain is Hallucinating Most of What You See

A toddler could swim through a whale's arteries

The frog that turns into a living ice cube

Deep Space Smells Like Raspberries and Rum

Your eyes decide what you hear

Uranus smells like rotten eggs. Actually.

The Color of Sound That Boosts Memory

The Nostalgic Highway Inside Your Brain

The Silent Vacuum Where Sound Waves Die

Butterflies taste with their feet. Their FEET.

Octopuses have three hearts and blue blood

The Northern Lights make sounds nobody can explain

A jellyfish the size of a basketball can stop your heart in three minutes

The Fish That Generates Its Own Electricity

The Kakapo Is A Heavyweight Parrot Seeking A Comeback

Closing your eyes doesn't stop you from knowing where your hands are

Staring at these lines can break your color vision for months