The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Some people are terrified of the color yellow
A color can become frightening when it gets linked to a frightening experience. After that association forms, seeing yellow may trigger the alarm before a…
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Pharmacy technicians perform the vast majority of counting
A prescription passes through several hands before it is ready. Technicians handle much of the counting, labeling, and insurance work; pharmacists check the…
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Most of Saskatchewan skips the clock-changing ritual
Most communities stay on Central Standard Time throughout the year, while places such as Lloydminster follow a different arrangement. That means a trip across…
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Sled dog teams instantly recognize their specific musher
Sled dogs learn their musher’s voice and commands through repeated work together. When the familiar person calls, the team knows whose directions matter; the…
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People listened to live theater through headphones before radio took over
Britain's Electrophone service connected subscribers by telephone line to performances and other events. A surviving listening table has connections for up to…
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Active drug concentrations are verified via chromatography
A drug sample is a mixture, so a lab first separates its ingredients rather than trying to measure them all at once. In high-performance liquid…
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Wallpaper began on a much smaller canvas
Some of the earliest surviving wallpapers decorated cupboards and modest rooms in merchants’ homes. Small printed sheets imitated patterns from textiles;…
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This bird hatches with claws on its wings
Those claws help hoatzin chicks climb back to safety. If danger sends a chick from its nest into the water, it can swim away and then scramble up through the…
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The tiny lock parts designed to defeat lockpicks
In some locks, mushroom-shaped pins catch on the cylinder rim when pushed the wrong way, jamming the mechanism and frustrating lockpicking attempts.
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Truth or Dare began with a financial penalty
The medieval game was called “Questions and Commands”: refuse to answer or obey, and you had to pay a fine.
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Pack goats double as trail clearers
A goat’s pack carries the gear; its grazing knocks back brush along the route. The trail crew brings a worker that eats the job as it goes—no chainsaw, just a…
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Chainsaw chains feature specific rakers to limit cuts
A small metal raker ahead of each cutter limits how much wood it bites in one pass, reducing the risk of kickback.
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Centipedes feature heavily modified legs to capture prey
A centipede’s front legs have been remodeled into venomous pincers. They reach from beneath the head to jab and paralyze prey, while the legs farther back do…
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Why Wipeout keeps its water and mud near freezing
Producers keep the water and mud near freezing to intensify contestants’ physical reactions as they tackle the course.
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South America is farther east than you think
The northern end of South America lies much farther east than many mental maps suggest. Even its westernmost mainland point is near the longitude of Michigan,…
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How wasps turn wood into paper nests
A wasp scrapes tiny wood fibers and mixes them with saliva, making a pulp that sticks as it dries. It lays that homemade paper in layers to build nest walls…
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Some airsoft pellets start with plant-based plastic
Biodegradable BBs can use PLA, a plastic made from plant-derived sugars, including corn. They still have to be smooth, round, and consistent enough to pass…
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Tiny Rhode Island has an unexpectedly long coastline
Its coastline is unusually long for such a small state because bays and inlets carve it into a jagged edge.
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Old tilt sensors relied on toxic liquid mercury
When a device tilted or shook, liquid mercury sloshed against an electrode to detect the movement.
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Why drug ads are rare outside two countries
Prescription-drug ads aimed at the public are permitted in only two industrialized nations: the United States and New Zealand. Elsewhere, drug companies…
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Montreal is a city of islanders
The St. Lawrence River surrounds the densely populated island, making millions of Montrealers literal islanders.
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Biosimilar medications differ legally from generics
A biologic is made through living systems and can be a large, complex molecule. That makes an exact copy difficult in a way it usually isn’t for simpler…
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That inner critic may be your superego
That harsh voice keeping score may resemble what Freud called the superego: internalized rules that judge whether you are behaving as you “should.” It can…
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Mad Libs began with an adjective asked out of context
Leonard Stern needed an adjective while writing in 1953. Roger Price supplied suggestions before knowing what they would describe, producing the mismatch that…
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