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Dubai turned a hotel helipad into a tennis court
History

Dubai turned a hotel helipad into a tennis court

The Burj Al Arab once turned its helipad into a temporary tennis court, hundreds of feet above the ground and without a safety net to catch stray balls.

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Why singing in the shower may ease anxiety
Psychology

Why singing in the shower may ease anxiety

Singing in the shower gives your attention a job: follow the tune, shape the words, keep the rhythm. That can interrupt a loop of anxious thoughts, while…

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Why antique glassware sets off Geiger counters
Health

Why antique glassware sets off Geiger counters

Uranium in some antique glass gives it a green glow, and the uranium’s atoms slowly decay, releasing radiation. A Geiger counter detects that radiation—so the…

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The coffee substitute made from chicory root
Economy

The coffee substitute made from chicory root

When blockades cut off coffee, people roasted and ground chicory root instead. It made a dark, bitter drink that could stand in for the missing beans.

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Hyundai began by building bridges
History

Hyundai began by building bridges

The company that later put its name on millions of cars started out building infrastructure. Founded in 1947 as an engineering and construction firm, Hyundai…

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Thermal paste fills gaps that look flat to your eyes
Technology

Thermal paste fills gaps that look flat to your eyes

A processor and its cooler have microscopic surface irregularities that would otherwise trap insulating air. Paste bridges those gaps. Drying, separation, or…

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Scientists put windows into living cows' stomachs
Economy

Scientists put windows into living cows' stomachs

A surgically fitted port lets researchers sample a cow's rumen, the large chamber where microbes break down its food. They can compare how those microbes…

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Stage directions originated from the performer's perspective
Culture & entertainment

Stage directions originated from the performer's perspective

Stage directions are named from the performer's perspective, facing the audience; "downstage" comes from older stages that sloped toward the audience.

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In Lucha Libre, losing your mask means losing honor
History

In Lucha Libre, losing your mask means losing honor

A mask is part of a wrestler’s public identity, so losing it in a match exposes more than a face: it costs professional honor. That threat is why competitors…

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Mealworms can eat Styrofoam without dying
Economy

Mealworms can eat Styrofoam without dying

Gut bacteria let mealworms break down polystyrene foam without dying. Researchers are exploring the trick, but using mealworms to process waste remains…

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A Brazil nut depends on bees strong enough to enter its flower
Economy

A Brazil nut depends on bees strong enough to enter its flower

The flower has a hood that suitable large bees must push aside to reach the reward inside. They carry pollen between trees, enabling the seeds we eat to…

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Floating light orbs are just ghosts with zero shape
Myths & mysteries

Floating light orbs are just ghosts with zero shape

A camera flash can illuminate dust near the lens, making particles look like floating orbs in a photo.

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Hearts forces players to actively avoid winning
Games

Hearts forces players to actively avoid winning

The goal is to finish with the fewest points, so players try to pass costly cards to opponents rather than collect tricks.

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Grand Tour finished a 17th-century aristocrat education
Travel

Grand Tour finished a 17th-century aristocrat education

The trip exposed young aristocrats to foreign music, literature, and fencing, though some spent fortunes trying to look sophisticated.

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The bean that thickens ice cream and cosmetics
Economy

The bean that thickens ice cream and cosmetics

A drought-resistant bean supplies a surprisingly powerful thickener: guar gum. A tiny amount can give watery ice cream or cosmetics a creamy, gel-like texture.

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This sport combines trampolines with volleyball
Games

This sport combines trampolines with volleyball

Players combine volleyball, soccer, and gymnastics on an inflatable court fitted with trampolines, adding airborne acrobatics to the game.

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Sylvia Plath's Ariel reached readers in a different order
Culture & entertainment

Sylvia Plath's Ariel reached readers in a different order

The collection published after Plath's death differed from the selection and sequence she had prepared. In 2004, a restored edition reproduced her arrangement…

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Two metals and electricity can make one side cold
Technology

Two metals and electricity can make one side cold

The Peltier effect makes one side of a junction cool while the other heats up when current passes through it, with no moving parts.

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