Technology
How Trump鈥檚 erratic nuclear posture could spark a new arms race
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This week's magazine
On the cover
Editor's picks
Life
We mustn鈥檛 let a superpower turn its back on rationality
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Life
Breath of life: Did animals evolve without oxygen?
Features
Space
Katherine Johnson: The brilliant woman who got the US into space
Features
Health
Cellular recovery: How self-help could aid the damaged brain
Features
Physics
Mapping the multiverse: How far away is your parallel self?
Features
Table of contents
Leaders
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Technology
Smartwatches know you're getting a cold days before you feel ill
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Physics
No sign of seasonal dark matter after four years of searching
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Life
Molecules tied into beautiful 'octofoil' knot for first time
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Technology
Mini fire extinguishers inside lithium batteries may stop blazes
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Technology
Poker AI competes to beat top players in no-limit game
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Health
Concussed athletes more likely to injure their legs months later
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Space
Binary stars shred up and shove off their newborn planets
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Life
Harvester ants farm by planting seeds to eat once they germinate
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Technology
Gadget boom sees e-waste in Asia spike 63 per cent in 5 years
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Technology
Taxi races show black cabs beat Uber on speed but not cost
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Health
Woman dies from infection resistant to all available antibiotics
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Earth
Global sea ice is at lowest level ever recorded
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Life
Antibody can protect brains from the ageing effects of old blood
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Life
Antelope revived in Sahara years after going extinct in the wild
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Life
Electronic gene control could let us plug bacteria into devices
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Health
Calorie restriction diet extends life of monkeys by years
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Obamacare repeal begins in earnest, as Trump outlines his plans
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SpaceX launches and lands first rocket since explosion
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Majority of primate species may vanish in next 25 to 50 years
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Life
60 Seconds
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Space
First evidence of dwarf galaxy merger boosts two cosmic theories
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