curio

Every card on Curio

84 short reads, grouped by category. 75 link to a source; 9 do not. The app shuffles them; this page just lists them — and the source ledger shows the full count.

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science16

• A mirror helped some people unclench a missing hand
• A penguin stays warm by letting its feet stay cold
• A wrong guess can become part of your next memory
• How an ocean map can miss an underwater mountain
• How someone can talk during brain surgery
• How your gut keeps food moving without instructions from you
• Tiny animals survived outside a spacecraft without air
• Why a pressure cooker makes boiling water extra hot
• Why a shoelace can hold for ages, then suddenly come undone
• Why does a freshly cut apple turn brown?
• Why does metal feel colder than wood in the same room?
• Why honey lasts so long—and why the lid matters
• Why hot water sometimes gets a freezing head start
• Why water needs soap to carry grease away
• Why won’t a fan cool an empty room?
• Why your banana is slightly radioactive

psychology9

• “Smashed” changed how people described a car crash
• A longer medical test left a less painful memory
• A politician won over a rival by borrowing a book
• Can choosing a laptop make it look better in your memory?
• Learning a skill can reveal mistakes you missed
• Why an even $20 bet might feel like a bad deal
• Why unfinished work can distract you from the next task
• Would everyone remember your embarrassing T-shirt?
• You can like an image without remembering seeing it

facts9

• A bird built its nest with cable used to control war drones
• Rain under this tree can leave blisters on your skin
• Shark ancestors are older than the earliest known forests
• Sunlight makes the Eiffel Tower lean slightly away
• Thin ice pushed heavy rocks across a desert lakebed
• This frog hides its red blood cells while it sleeps
• This frog survives ice inside its body and a stopped heart
• Why a belly flop hurts when water can move aside
• Wombats make square poop inside a round intestine

history9

• An ancient library could lose texts without a fire
• Australia sent machine guns to fight crop-eating birds
• Britain banned the slave trade without freeing enslaved people
• Cannons broke a city wall. Defenders filled the gap with barrels.
• Did tulip trading really bankrupt the Netherlands?
• Radio helped save the Eiffel Tower from being taken down
• The clue that linked London deaths to one water pump
• The glowing watch paint that poisoned its painters
• TV showed Americans police attacking voting-rights marchers

horror7

• A coffin inventor added a bell—and an escape ladder
• A hand in his missing glove led him off the ice
• Her stolen phone sent back a photo of her kitchen
• His reflection warned him about the car behind him
• Something inside the unplugged dryer wanted the door opened
• The attic music box was calling something up the ladder
• The smiling stranger outside was made of wood

books6

• A stranded astronaut needs food before his potatoes are ready
• If everyone presses the label, maybe it looks like a button
• The bat-and-ball puzzle with a tempting wrong answer
• Why a new road can bring more cars
• Why surgery teams say the basic checks out loud
• Would you leave a happy city built on one child’s suffering?

philosophy6

• If every piece of a ship is replaced, is it still the same ship?
• The simplest explanation can still be wrong
• Why a wealthy Roman suggested living with less
• Why someone may crave a drug they no longer enjoy
• Would a perfect life count if none of it really happened?
• Would the rules seem fair if you might end up poor?

mystery5

• A city tried to cure nonstop dancing with more dancing
• How ancient gears tracked the Moon and predicted eclipses
• The crew had vanished. The ship’s small boat was gone too.
• The explosion that flattened a forest without making a crater
• The strange old book nobody can reliably read

money4

• A profitable sale can still leave a business short of cash
• Cheap boots can become the more expensive pair
• Small payment plans can add up to a big bill
• Why paying $25 can reduce your card debt by only $5

hidden4

• Elevator mirrors can help wheelchair users back out
• Why a camera can seem better when a pricier one appears
• Why an elevator may ignore the close button for a few seconds
• Why one checkout line can be fairer than choosing your own

career3

• “Make the report better” can send two coworkers in opposite directions
• Before taking a job, ask what you can change
• Good code can still leave a user stuck

news3

• A saved website copy can load fast but show old information
• Backup internet cables can fail if they share the same route
• Why a solar farm can wait years to connect to the power network

truestories2

• A flight attendant survived a fall inside a broken plane
• An Arctic crew’s note: “All well.” Later: 24 dead.

startup1

• Stripe’s founders set up payment software on customers’ laptops