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Nasa lander 'detects first Marsquake'

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The American space agency's InSight lander appears to have detected its first seismic event on Mars. The faint rumble was picked up by the probe's sensors on 6 April - the 128th Martian day, or sol, of the mission. It is the first seismic signal detected on the surface of a planetary body other than the Earth and its Moon. Scientists say the source for this "Marsquake" could either be movement in a crack inside the planet or the shaking from a meteorite impact. Nasa's InSight probe touched down on the Red Planet in November last year.


Meningitis patient 'wanted amputation'

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A man who almost died from meningitis has revealed how he began to look forward to having his limbs amputated. Mike Davies, 60, from Brighton, spent 70 days in intensive care with meningococcal meningitis and septicaemia. During this time, he said he knew his hands and feet were "dead" and he would recover better without them. Now he says he is in a positive place and "can even hold a pint of beer". With the help of prosthetic limbs, Mr Davies can drive a specially-adapted car and said he was living life to the full.


Could a computer ever rival Rembrandt or Beethoven?

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"But AI has no internal world and it has no need to create its desires or fears." So rather than letting AI take complete control, results seem to be far more fruitful when human artists work hand-in-hand with machines. Musician and University of Sussex lecturer Dr Alice Eldridge suggests that we should treat AI as "just another tool that we have designed, like the wheel, or the combustion engine". She has helped create a cello that uses a combination of acoustics, electrification and an adaptive algorithm that makes the instrument self-resonate; or essentially, play itself. "With a classical cello you have to bring the instrument alive with a bow; a feedback cello is already singing, your job as a performer is to shape the sound - it's more like a dance than'controlling' an instrument in the traditional way," she says.


Confused about climate change? Talk to our chat bot

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BBC News has launched a chat bot to help users learn about climate change in weekly conversations on Facebook Messenger. Subscribers will get an alert every Wednesday inviting them to explore topics from rising temperatures to new ways of tackling global warming. They can also ask questions which the bot will pass on for our human journalists to answer. You can sign up at the bottom of this page. We know that audiences are hungry for a better understanding of where the world stands on targets to control rising temperatures.


The robot that tidies up bedrooms

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A company in Japan is trying to teach a pair of machines to bring order to the chaos of child's bedroom, using the same artificial intelligence it uses for self-driving cars and smart factories.


Gatwick drone attack possible inside job, say police

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The drone attack that caused chaos at Gatwick before Christmas was carried out by someone with knowledge of the airport's operational procedures, the airport has said. A Gatwick chief told BBC Panorama the drone's pilot "seemed to be able to see what was happening on the runway". Sussex Police told the programme the possibility an "insider" was involved was a "credible line" of inquiry. About 140,000 passengers were caught up in the disruption. The runway at the UK's second busiest airport was closed for 33 hours between 19 and 21 December last year - causing about 1,000 flights to be cancelled or delayed.


The robot that sorts out recycling

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Using pressure sensors to detect an item's size and composition, the RoCycle system can place items in the appropriate recycling bins.


Sex attacks involving dating apps on the rise - police figures

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The number of recorded sexual offences involving online dating sites and apps has almost doubled in the last four years, police figures suggest. Offences where a dating site was mentioned in a police report increased from 156 in 2015, to 286 last year, according to figures from 23 of the 43 forces in England and Wales. The Online Dating Association said apps try to protect users from harm. But the National Police Chiefs' Council said firms had a duty to do more. The figures reveal that between 2015 and 2018 there were a total of 2,029 recorded offences - including sexual offences - where an online dating website or app was mentioned in a police report.


How does it feel to be watched at work all the time?

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Is workplace surveillance about improving productivity or simply a way to control staff and weed out poor performers? Courtney Hagen Ford, 34, left her job working as a bank teller because she found the surveillance she was under was "dehumanising". Her employer logged her keystrokes and used software to monitor how many of the customers she helped went on to take out loans and fee-paying accounts. "The sales pressure was relentless," she recalls. She decided selling fast food would be better, but ironically, left the bank to do a doctorate in surveillance technology.


LK Bennett bought but 15 stores to close

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High-end fashion chain LK Bennett has been bought out of administration, saving 325 jobs. However, 15 of the retailer's stores are not included in the deal and will close, leading to the loss of 110 jobs. LK Bennett has been bought by Byland UK which was set up by Rebecca Feng, who runs the company's Chinese franchises. The sale includes the company's headquarters, 21 stores and all of its concessions. The amount paid has not been disclosed.