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British Rail converted passenger trains for cargo
Transport

British Rail converted passenger trains for cargo

Passenger trains already had the wheels and rail access; British Rail repurposed their carriage space to move cargo. A people-mover became a freight train…

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The brain tumor survivor building a brain-scanning hat
Technology

The brain tumor survivor building a brain-scanning hat

After surviving a brain tumor, engineer Mary Lou Jepsen founded Openwater to develop a wearable device that uses light to measure blood flow in the brain. The…

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Annemarie Schimmel decoded the mystic meaning of cats
Myths & mysteries

Annemarie Schimmel decoded the mystic meaning of cats

Her work traced cats in Islamic lore beyond their practical role as rat-catchers, interpreting them as symbols of divine grace and contemplation.

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Why Phillips screws strip so easily
Economy

Why Phillips screws strip so easily

If the driver doesn’t fit snugly, it can slip out of a Phillips screw’s cross-shaped slot. The slipping chews up the recess until the screw is hard to turn.

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A Scottish TV party became a national New Year's ritual
Culture & entertainment

A Scottish TV party became a national New Year's ritual

The White Heather Club brought songs, dancing, and performers such as Andy Stewart into BBC viewers' homes. Its regular series ran from 1958 to 1968,…

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Spain preserves a road network built for migrating livestock
Travel

Spain preserves a road network built for migrating livestock

The country's traditional livestock routes extend roughly 125,000 kilometers. Their history includes the Mesta, the powerful sheep owners' association that…

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Pentecostals thought babbling bypassed learning languages
Myths & mysteries

Pentecostals thought babbling bypassed learning languages

At the Azusa Street revival, some believers thought their ecstatic speech was real foreign languages and expected to preach abroad without studying them.…

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Why ancient Maya threw offerings into sinkholes
Travel

Why ancient Maya threw offerings into sinkholes

The ancient Maya saw cenotes as portals to Xibalba, the underworld, and as stops on pilgrimage routes. During droughts, offerings to the gods included jade,…

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People mapped Wi-Fi networks by driving past them
Technology

People mapped Wi-Fi networks by driving past them

Wardrivers carried wireless equipment and GPS receivers to record where networks could be detected. A connection intended for a home or office spilled beyond…

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Victorian engineers sent passenger trains through loops
Transport

Victorian engineers sent passenger trains through loops

The line loops around the landscape to climb without making the rails too steep for the train. Victorian engineers gave the locomotive extra distance,…

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A South African siege put a young bicycle messenger on a stamp
Transport

A South African siege put a young bicycle messenger on a stamp

During the 1900 siege of Mafeking, a locally produced stamp showed cadet messenger Warner Goodyear with a bicycle. The design recorded the role young…

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Why flying to India once meant crossing the desert
Travel

Why flying to India once meant crossing the desert

Imperial Airways’ Cairo-to-Karachi route took several days in unpressurized planes, with freezing, noisy flights and emergency stops at desert forts when…

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Belly landing a DC-4 without modern fire foam
Transport

Belly landing a DC-4 without modern fire foam

With the landing gear retracted, the DC-4’s belly slid along the runway instead of having wheels to absorb the contact. The crew had to manage fuel and…

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Russia's debt offered huge returns just before disaster
Economy

Russia's debt offered huge returns just before disaster

In July 1998, yields on Russia's short-term government bills approached 200 percent. Such returns signaled how much compensation investors demanded for the…

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The author of Frances the Badger also wrote after the apocalypse
Culture & entertainment

The author of Frances the Badger also wrote after the apocalypse

Russell Hoban's Riddley Walker follows life in a shattered future through deliberately altered English. Readers have to reconstruct meaning from the language…

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A dollar bill once depended on which bank printed it
Economy

A dollar bill once depended on which bank printed it

Before America's national currency system, individual banks issued notes promising redemption in gold or silver. A note's reliability depended on its issuer's…

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How Bing Crosby turned German tape tech into golf time
Culture & entertainment

How Bing Crosby turned German tape tech into golf time

After World War II, American soldier Jack Mullin brought German magnetophon tape recorders to the U.S. and demonstrated them to Bing Crosby. Crosby invested…

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Ernie Kovacs made milk fall sideways by tilting the camera too
Culture & entertainment

Ernie Kovacs made milk fall sideways by tilting the camera too

He tilted the table and the camera together, preserving an apparently normal scene on the television screen. Gravity still pulled the milk downward in the…

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