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
How Petra turned deadly floods into drinking water
In a desert city, flash floods were both a danger and a rare source of water. The Nabataeans diverted them through hidden dams and terracotta pipes into…
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This smartwatch chip works below the usual voltage threshold
Ambiq designs circuits to compute using the very small currents that flow below a transistor's conventional switching threshold. Operating at lower voltage…
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Akbar used tiger hunts to test his generals
Instead of openly mobilizing an army, Akbar used the qamargha as a live test: tens of thousands of cavalrymen formed a circle and drove thousands of animals…
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A food allergy can cause severe vomiting hours after a meal
FPIES is a food-triggered immune reaction affecting the gut, often without the immediate hives people expect from an allergy. Repetitive vomiting commonly…
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The Texas Chain Saw Massacre built horror into the furniture
Sound recordist Wayne Bell recalled art director Robert Burns making bone sculptures from chicken and pig parts for the family's house. The objects gave the…
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Could healthy skin bacteria help treat eczema
Some skin bacteria make antibiotics that can attack other bacteria. Lotions containing Staphylococcus hominis are being tested because it may help counter…
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Hackers can steal keys by listening to a CPU
Side-channel attacks can infer a cryptographic key by measuring clues such as a CPU's sound, heat, or power use while it decrypts data. The processor can…
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How salt merchants funded an emperor’s wars
Qing-licensed salt merchants in Yangzhou held lucrative monopolies, and their wealth helped fund Emperor Qianlong's military campaigns and southern inspection…
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This game gives NPCs randomly assigned grudges
In Streets of Rogue, the game builds missions from each level’s layout and gives ordinary NPCs random quirks—like a bartender with a safe code who hates…
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Why a grip test can affect transplant eligibility
Grip strength offers a quick clue about a person’s overall strength and physical reserve. Transplant teams use it as one piece of a broader picture of whether…
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How Australian cattle trains keep cows from bruising
Partitions divide the cattle cars into smaller spaces, limiting how far animals slide when the train sways or brakes. Non-slip floors give their hooves a…
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Why airships couldn’t dock at the Empire State Building
Strong winds and urban updrafts could toss airships around, making it unsafe to hold one steady at the building’s mooring mast.
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Mansur al-Hallaj was executed for reaching the ultimate Sufi station of annihilation
In Sufism, fana means the annihilation of the ego and a sense of merging with the Divine. Al-Hallaj’s statement, “I am the Truth,” was understood as a…
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Why one immediate reward can outweigh years of sobriety
Years of sobriety are a long way off; a drink or drug is right here. Craving makes the immediate reward feel vivid while the future costs—health, trust,…
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When inflation becomes a betting market
Instead of just arguing about next month's inflation, traders can wager on whether the CPI reaches a set level. Platforms such as Kalshi let them buy…
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Borderlands gives its generated guns names that reveal their traits
Weapon parts and modifiers determine properties such as damage type or projectile behavior. Prefixes and other name elements help signal those properties to…
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Budapest's historic baths turn into giant raves
On weekend nights, Budapest's Széchenyi Baths trade quiet relaxation for “sparties,” with thousands of clubbers dancing in the heated outdoor pools as lasers…
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The sensor that sees bullets by ignoring still objects
Unlike conventional cameras, which capture full frames, event-based sensors register changes in light at individual pixels. By processing only movement, they…
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When white webs in your mouth need watching
Oral lichen planus happens when the immune system inflames the lining of the mouth, sometimes leaving a lacy white pattern. Most of the concern is not the…
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Isaac of Nineveh achieved a state of luminous silence so intense he permanently lost his physical eyesight
He practiced shelya, or stillness, in the desert; accounts say his intense spiritual weeping eventually left him blind.
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How AirTags find your lost keys so precisely
AirTags use Ultra-Wideband instead of relying only on Bluetooth signal strength. The technology measures how long radio pulses take to travel, helping your…
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An Åland stop helps Baltic ferries keep duty-free shops
The islands sit outside the EU's VAT and excise territory, creating a tax exception for routes that call there. That makes the port stop commercially…
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How chronic pain can change the way you hold yourself
Chronic pain can teach the body to expect trouble: a shoulder stays tense, a step gets shortened, a movement is avoided. Those protective adjustments may…
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Costa Rica pays landowners to keep forests standing
Costa Rica uses money raised by a fossil-fuel tax to pay rural landowners by the hectare for keeping forests standing. The payments put a price on benefits…
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