Technology
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Sprawling Mayan network discovered under Guatemala jungle
Latest technology reveals a network of more than 60,000 structures under Guatemala's jungle.
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Bitcoin braces for worst week since 2013
The digital currency drops below $8,000, leaving it down 30% for the week so far.
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NSPCC calls for immediate action on children's online safety
The charity condemns the government for not implementing proposals to protect children online.
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'Egregious' YouTubers to face consequences
YouTube says video-makers who damage the reputation of the site will face new consequences.
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Sony chief executive Kazuo Hirai to step down
Sony's finance chief Kenichiro Yoshida to replace Kazuo Hirai as chief executive from April.
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Apple sells fewer phones but profits rise
The price of the iPhone X compensates for a dip in handset sales during the last three months of 2017.
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Amazon 2017 sales jump by nearly a third
The online retail giant benefits from a strong holiday season and its Alexa digital assistant.
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Google owner Alphabet earnings hit by rising costs costs
Shares in the tech giant fall by 5% in after-hours trade after the disappointing results are announced.
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Mind control
Controlling machines using thought can be used in medicine, gaming, transport and many other sectors.
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Autonomous robot mimics bat in flight and other news
BBC Click's Lara Lewington looks at some of the best technology stories of the week.
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Pilotless sky taxis: The way to beat the rush hour?
As our cities become larger and more congested, could autonomous 'sky taxis' help beat the traffic jams?
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Apple removes Telegram from app store
Inappropriate content available via the app was the reason it was removed, Telegram says.