Uncategorized

  1. Humans

    50 years ago, freezing sperm faced scientific skepticism

    In 1972, scientists debated the long-term viability of frozen sperm. Fifty years later, children have been conceived with sperm frozen for decades.

    By Aina Abell
  2. Microbes

    A chain mail–like armor may shield C. difficile from some antibiotics

    Examining the structures that protect Clostridioides difficile from medicines could help researchers find new ways to target and kill the bacteria.

    By Erin Garcia de Jesús
  3. Health & Medicine

    More than 5 million children have lost a parent or caregiver to COVID-19

    The number of children who experienced the death of a parent or caregiver due to COVID-19 nearly doubled from May through October in 2021.