Watch Earth roll by through the perspective of ESA astronaut Alexander Gerst in this six-minute timelapse video from space. Combining 12 500 images taken by Alexander during his six-month Blue Dot mission on the International Space Station this Ultra High Definition video shows the best our beautiful planet has to offer.
David Taylor looked for words in Billboard song titles beginning with the 1890s, through today. "I used the log-likelihood method, which returns a measure of the statistical significance of finding that word in that decade. A keyness of about 11 means there’s only a 0.1% chance that you would get the same result higher picking words from the entire collection at random instead of restricting yourself to the words in that subset (decade), and about 14 is a 0.01% chance."