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Alexandra Simon-Lewis

This sight-saving R2D2 robot wants to stick a tiny knife in your eye

Behold Nasa's 'black marble': stunning satellite maps reveal Earth's changing nightscape

This map of domain names flips the world on its head

What we want to see from the Game of Thrones spin-offs

3D printing is yesterday's news. Westworld-style liquid printing is the future

Why Rosalind Nashashibi is our pick for this year's Turner Prize

World Press Freedom Index reveals how the UK's media is under threat

Behold the metre-high LEGO Apollo Saturn V rocket made from 1,969 pieces

Huawei’s $239 HiKey 960 wants to be a high-end alternative to Raspberry Pi

Britain just had its first coal-free day since the Industrial Revolution

Earth Day 2017: what is it and why is it important?

YouTube is going to teach teens how to spot fake news by running workshops

You can now watch declassified Cold War nuclear test films on YouTube

Brain scans reveal how psychedelic drugs create a 'higher state of consciousness'

Worried about gigantic asteroids hurtling towards Earth? There's a graph for that

From 'swimming' with sloths to 'climbing' the Shard: the best new features of Google Earth

Nasa is putting parts of Earth up for adoption – and we got ourselves a piece

Heston Blumenthal's hi-tech Everdure BBQs take outdoor dining to the next level

Twitter Lite promises a faster connection for less data

Sex toy surveillance: more Wi-Fi enabled devices vulnerable to hacking