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Current Issue
July 2013
Table of Contents »
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The Big Idea
Brain Trauma
New research suggests that even small hits to the head may lead to brain deterioration over time. So what can be done?
Little Packages
Even the most pressing problems, from health care to potable water, can have affordable—and beautifully designed—solutions.
Augmented Reality
Imagine bubbles floating before your eyes, filled with cool info about stuff you see on the street. Science fiction? Nope. It's augmented reality.
Clearing Space
The final frontier is littered with dead spacecraft and shrapnel. It’s a hypervelocity menace. How can we clean it up?
Scanning Life
Life would be simpler if all species wore name tags. And in a way, they do. Turns out they’ve got a bar code in their DNA.
Small Town Nukes
They'd be carbon free, relatively cheap, and according to the industry, inherently safe. An underground mini-nuke could power a village.
Outwitting Viruses
Viruses that infect us can’t spread without us. Finding their helpers inside human cells may yield drugs that stop pandemics.
Fold Everything
Anything can be made with origami—from birds and bugs to stents and space telescopes. It’s just a matter of math.
Shading the Earth
If we don’t cut fossil fuels fast enough, global warming may get out of hand. Some scientists say we need a plan B.
Noisy Ocean
A rising tide of man-made noise is disrupting the lives of marine animals.
Biomimetic Architecture
The nature-inspired design of Antoni Gaudí's unfinished Sagrada Família remains ahead of its time.
Backing Up History
With portable 3-D laser scanners, preservationists are making digital records of the world’s most vulnerable landmarks.
Scrubbing the Skies
Pulling CO2 back out of the air might be easier than building jets and cars that don’t emit it.
Safe Houses
Billions of people live in houses that can't stand shaking. Yet safer ones can be built cheaply—using straw, adobe, old tires—by applying a few general principles.
Get the Salt Out
There's no shortage of water on the blue planet—just a shortage of fresh water. New technologies may offer better ways to get the salt out.
Making Mars Home
What would it take to green the red planet? For starters, a massive amount of global warming.
The Carbon Bathtub
As long as we pour CO2 into the atmosphere faster than nature drains it out, the planet warms. And that extra carbon takes a long time to drain out of the tub.
Electric Cars
Electric cars will require filling stations that dispense electrons rather than gasoline.
From Africa to Astoria
DNA collected in Queens tells the story of human migration.
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More Big Ideas
Wide Angle
Read about and comment on new finds in science, technology, wildlife, and more.
Science and Space
Learn about health, the human body, Earth and space, and the prehistoric world.
Visions of Earth
Browse through visions of the world as seen through photographers' eyes.