Elisabeth Bik is worth following on Twitter: https://twitter.com/MicrobiomDigest https://twitter.com/MicrobiomDigest She posts images from widely-cited scientif

Elisabeth Bik is worth following on Twitter: https://twitter.com/MicrobiomDigest https://twitter.com/MicrobiomDigest She posts images from widely-cited scientific papers and then her followers race to find the duplications in the images. These challenges range from easy to very hard.