Notebook

  1. Health & Medicine

    Iron deficiency goes unnoticed in too many U.S. female adolescents

    Low iron causes problems from dizziness to severe anemia. It’s time to reevaluate screening guidelines to catch the problem earlier, an expert argues.

    By
  2. Health & Medicine

    50 years ago, scientists thought coffee might treat hyperactivity

    Decades of follow-up research into whether caffeine can treat the symptoms of kids with ADHD has come up with more questions than answers.

    By
  3. Archaeology

    Indigenous input revealed early hints of fiber making in the tropics

    To decipher marks on nearly 40,000-year-old stone tools and figure out what they were used for, researchers turned to the Philippines’ Pala’wan people.

    By
  4. Astronomy

    50 years ago, a search for proof that the Maya tracked comets came up short

    The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.

    By
  5. Tech

    How understanding horses could inspire more trustworthy robots

    Computer scientist Eakta Jain pioneered the study of how human-horse interactions could help improve robot design and shape human-robot interactions.

    By
  6. Life

    ‘Polyester bees’ brew beer-scented baby food in plastic cribs

    Ptiloglossa bees’ baby food gets its boozy fragrance from fermentation by mysteriously selected microbes.

    By
  7. Life

    50 years ago, flesh-eating screwworms pushed scientists to mass produce flies

    "Fly factories” dreamed up in the early 1970s have helped North and Central America keep screwworms in check for decades.

    By
  8. Plants

    A hunt for fungi might bring this orchid back from the brink

    Identifying the fungi that feeds the Cooper’s black orchid in the lab may allow researchers to bank seeds and possibly regrow the species in the wild.

    By
  9. Science & Society

    Deliberate ignorance is useful in certain circumstances, researchers say

    The former East German secret police, the Stasi, spied on people for years. But when given access to the Stasi files, most people didn’t want to read them, researchers found.

    By
  10. Climate

    There’s good and bad news with California’s electric vehicle program

    The electric vehicle program is reducing carbon dioxide emissions but also shifting the pollution burden to the state’s most disadvantaged communities.

    By
  11. Space

    50 years ago, cosmic rays may have caused Apollo astronauts to see lights

    Apollo astronauts reported seeing flashes of light where there were none. Fifty years later, the flashes still mess with modern astronauts’ vision.

    By
  12. Health & Medicine

    50 years ago, enzyme injections showed promise for treating a rare disease

    Enzyme replacement can offer relief to people with rare diseases. Now, scientists have found a way to treat one disease before a person is even born.

    By