Technology
How NSA weakens encryption to access internet traffic
New revelations from former NSA contractor Edward Snowden expose how spy agencies in the US and UK might compel tech firms to help them bypass encryption
News
Technology
Why a cyberwar won’t happen
Opinion
Earth
Fracking chemical leak kills threatened fish
News
Space
Hobbyists tracked US spy satellites leaked by Snowden
News
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How the US may try to destroy Syria’s chemical weapons
News
Earth
Acid rain’s surprising legacy in US rivers
News
Earth
Whoa! How to rein in the US’s wild horses
News
Earth
Yosemite Rim Fire is taste of things to come
News
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States lead the US toward a new era in its war on drugs
News
Childhood obesity declines in US but rises in UK
There's mixed news on either side of the Atlantic as childhood obesity falls in the US thanks to healtheir subsidised meals, but rises in the UK
News
Technology
Hyperloop: Musk unveils high-speed pneumatic transport
News
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First decrease in US childhood obesity
News
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Fight for the right to stem cells
Features
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Whose stem cells are they anyway?
Opinion