Physics
Pondering the big question of consciousness is a welcome distraction
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This week's magazine
On the cover
Table of contents
Leaders
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Space
A giant raft of rock may once have floated across Mars’s ancient ocean
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Space
Mysterious ‘Planet Nine’ on the solar system’s edge may not be real
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Technology
AI can distinguish between bots and humans based on Twitter activity
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Technology
The US Navy patented a device to make laser ‘ghost planes’ in mid-air
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Health
Some babies who were born prematurely have weaker hearts as adults
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Environment
Fracking wells in the US are leaking loads of planet-warming methane
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Technology
Pocket-sized device tests DNA in blood samples for genetic conditions
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Environment
Slower-moving hurricanes will cause more devastation as world warms
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Earth
Plate tectonics may have started on Earth 3.2 billion years ago
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Health
Waste water tests could monitor 2 billion people for the coronavirus
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Health
Pet food can contain drug-resistant bacteria that may pass to humans
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Health
BCG vaccine being trialled as potential protection against covid-19
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Health
What is it like to be a covid-19 contact tracer and what do they do?
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Space
We may have found 19 more interstellar asteroids in our solar system
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Health
Drinking coffee appears to cause epigenetic changes to your DNA
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Health
Electrical devices implanted in the brain may help treat anorexia
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Health
Names of UK's coronavirus science advisers to be revealed
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Environment
It’s impossible to predict if crucial Antarctic glacier will collapse
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Health
How many people have really died from covid-19 so far?
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