2. If 2017 was the year of fake news, 2018 is shaping up to be one of fake data. And just as fake news comes in many varieties — real news dubbed by the US president as fake, as well as nonsense gaining huge audiences on social media — so does fake data.
5. Though bionic legs are of course a huge boon to amputees, they lack actual nerve connections with the body. As a result, walking on them is cumbersome and tiring. But last year, Seattle resident Zac Vawter was outfitted with the world's first thought-controlled leg, a bionic limb that takes signals directly from his mind.