Earth
Power paradox: Clean might not be green forever
Features
This week's magazine
Table of contents
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Life
Egyptians gave ibis birds a packed lunch for the afterlife
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Health
Immune system may help to trigger the menopause
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Health
Erectile function restored with stem cells
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Space
Hyperactive sun clears space junk – for now
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'Newt Skywalker' wins South Carolina primary
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Bird flu researchers stand down for 60 days
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Earth
White House pressure on Gulf oil leak figures alleged
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Life
Arsenic life does not exist after all
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Health
DIY smear test works for cervical cancer
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Blindness eased by historic stem cell treatment
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60 Seconds
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Life
Superbugs spied off the Antarctic coast
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Earth
Repeated drought in east Africa may prompt aid rethink
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Health
Can't find your keys? Your brain's out of sync
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Physics
First quantum jiggles detected in solid object
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Technology
What your online friends reveal about where you are
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Technology
Virtual trees sway in wind just like the real thing
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Technology
AR goggles make crime scene investigation a desk job
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Technology
Phase-change materials can fix machine memory crunch
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Technology
Pinch-screen puts all your fingers in control
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Earth
Fracking health risks: Drilling into the unknown
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Life
World's only iridescent mammal is a shiny accident
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Life
Sleeping sickness tests may identify better therapies
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Space
Fight over changing constants reaches stalemate
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