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Disney patented headset-free 3D holograms
Culture & entertainment

Disney patented headset-free 3D holograms

One patent describes interactive 3D images viewers could see without wearing headsets; a patent doesn't mean the technology is actually used in the parks.

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Oscar stands on five original branches of filmmaking
Culture & entertainment

Oscar stands on five original branches of filmmaking

The Academy’s statuette depicts a knight holding a sword on a film reel. Its five spokes represent the original branches: actors, directors, producers,…

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A hotel where even the beds are made of salt
Travel

A hotel where even the beds are made of salt

Built from local salt blocks, the hotel has walls, beds, and dining tables made of sodium chloride. Guests are barred from licking the walls after visitors…

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The 14-year-old who imagined electronic television
Culture & entertainment

The 14-year-old who imagined electronic television

Philo Farnsworth described conceiving line-by-line image scanning as a teenager, inspired by parallel rows in a field. In 1927, at 21, he demonstrated an…

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Apple earns gaming revenue without selling a game console
Economy

Apple earns gaming revenue without selling a game console

App Store transactions can generate commissions for the platform that distributes the game, even when another company built it. Rates and rules vary by…

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Many cultures share a myth of a great worldwide flood
Myths & mysteries

Many cultures share a myth of a great worldwide flood

Flood stories also appear in Mesopotamian versions of the Epic of Gilgamesh, Hindu accounts of Manu, and Indigenous Mesoamerican legends.

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Researchers have tested whether honesty changes with the time of day
Psychology

Researchers have tested whether honesty changes with the time of day

The proposed morning morality effect links ethical choices to changing alertness and self-control. Later studies have produced mixed results, including work…

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A tuna sold for $3.1 million in Tokyo
Economy

A tuna sold for $3.1 million in Tokyo

At Tokyo’s Toyosu market in 2019, one 612-pound bluefin tuna went for $3.1 million—about $5,100 per pound. Buyer Kiyoshi Kimura set a record with a fish heavy…

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Why spicy food can cool you down
Health

Why spicy food can cool you down

Capsaicin—the compound that makes chilies feel hot—sets off heat-sensing nerves, so your body responds by sweating. When that sweat evaporates, it carries…

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The movie that cost over $447 million to make
Culture & entertainment

The movie that cost over $447 million to make

The reported production budget exceeded $447 million, and after marketing, the film needed more than $1 billion in box-office revenue just to break even.

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Why music can make time fly or drag
Psychology

Why music can make time fly or drag

A fast, absorbing song can make minutes disappear because your attention is busy following the beat, lyrics, and changes in sound—not checking the clock. Slow…

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A brain scan study asked what sitting time might reveal
Health

A brain scan study asked what sitting time might reveal

UCLA researchers studied 35 middle-aged and older adults in 2018 and found that more reported sitting time was associated with a thinner medial temporal…

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Why bicycles beat cars through city traffic
Transport

Why bicycles beat cars through city traffic

A bicycle slips through gaps that barely fit a car, then parks in a space too small for a bumper. In stop-and-go traffic, its narrow shape and door-to-door…

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Scientists decoded categories of dream images from brain scans
Technology

Scientists decoded categories of dream images from brain scans

In a 2013 experiment, researchers woke participants as they drifted into sleep and collected reports of what they had seen. They linked those reports with…

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Streaming can turn down the loudness-war winner
Culture & entertainment

Streaming can turn down the loudness-war winner

Heavy compression lets a master recording pack more sound near its peak level. But Spotify's loudness normalization reduces a very loud master to its playback…

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Your eyes can distinguish millions of colors
Health

Your eyes can distinguish millions of colors

Different colors stimulate the eye’s three types of cone cells in different combinations. The brain reads those overlapping signals as distinct shades, giving…

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Why Sweden imports other countries' trash
Economy

Why Sweden imports other countries' trash

Sweden’s waste-to-energy plants need fuel, and sometimes the country doesn’t have enough of its own rubbish to feed them. So it imports trash from neighboring…

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An Oscar comes with a resale condition, not just a thank-you speech
Culture & entertainment

An Oscar comes with a resale condition, not just a thank-you speech

The Academy requires recipients covered by its agreement to offer the statuette back for $1 before selling it. The restriction also extends to heirs and…

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