Uncategorized

  1. Paleontology

    In a first, scientists spot what may be lungs in an ancient bird fossil

    Possible traces of lungs preserved with a 120-million-year-old bird fossil could represent a respiratory system similar to that of modern birds.

    By Carolyn Gramling
  2. Health & Medicine

    50 years ago, the safety of artificial sweeteners was fiercely debated

    Scientists are still learning more about the health effects of chemical sweeteners

    By Emily Conover
  3. Artificial Intelligence

    Artificial intelligence crowdsources data to speed up drug discovery

    A new AI that judges whether drugs will interact with certain proteins can train on data from multiple sources while keeping that info secret.

    By Maria Temming
  4. Climate

    More tornadoes are popping up east of the Mississippi

    Tornadoes are becoming slightly less frequent in Tornado Alley, while more are touching down farther east in the United States, a study suggests.