Writing in Nature, science journalist Colin Macilwain exposes a little-known fact about articles published in reputable scientific journals. Every year, 20,000 of them are fraudulent. Scientists fudge their work in these papers about 1% of the time, and it adds up. But now, science institutions are starting to be more skeptical about what their researchers publish, and many countries are pushing for better scientific misconduct investigations. Read more about it in Nature.