Physics
To infinity and beyond: The struggle to save arithmetic
Features
This week's magazine
Table of contents
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Space
NASA seeks secrets of commercial moon landers
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Technology
P ≠NP? It's bad news for the power of computing
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Earth
Early puberty in girls doubles in a decade
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Health
MRI scans could diagnose autism
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Earth
Frozen jet stream links Pakistan floods, Russian fires
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Earth
Kyoto targets are impossible to verify
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Earth
Combination punch could fell rainforests
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Health
After a miscarriage, no need to put off trying again
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Health
Levels of controversial soap chemical rise
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60 Seconds
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Life
Fallible DNA evidence can mean prison or freedom
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Space
Jupiter swallowed a super-Earth
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Technology
Fractals promise higher-temperature superconductors
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Mind
Skull electrodes give memory a boost
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Life
Elephants fear humans more than dynamite
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Health
Fasting mothers raise potential risk for unborn babies
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Life
Thieving parrots hatch a plan to unlock food
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How to make a black hole that stands the test of time
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Technology
Robot flyers get a bee's-eye view
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Technology
Giant balloons could clear out space junk
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Technology
X-ray security scans go interactive
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Technology
Gesture-based computing takes a serious turn
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Earth
Atomic Jenga could turn domestic refrigerators green
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