Humans

  1. Humans

    From the May 6, 1933, issue

    AMERICAS FALCON POSES AGAINST PERFECT BACKGROUND Rarely is a perfect bird photographed against so perfect a background as the duck hawk, or American falcon, shown on the front cover of this issue of the Science News Letter. The photograph is by Dr. A.A. Allen of Cornell University, and the magnificent cataract plunging in the background […]

    By Science News
  2. Health & Medicine

    Upsetting a Delicate Balance: One gene may underlie various immune diseases

    One form of an immune-system gene shows up more frequently in people with diabetes or certain thyroid diseases than in people free of those illnesses.

    By Nathan Seppa
  3. Anthropology

    Ancestral Bushwhack: Hominid tree gets trimmed twice

    In separate presentations at scientific meetings, two anthropologists challenged the influential view that the human evolutionary family has contained as many as 20 different fossil species.

    By Bruce Bower
  4. Health & Medicine

    Do more infections mean less asthma?

    Young infants kept out of day care and having no more than one older sibling are significantly more likely to develop asthma than are babies who have greater exposure to other children.

    By Nathan Seppa
  5. Humans

    From the April 22, 1933, issue

    SPARKING PROCESS STUDIED WITH LICHTENBERG FIGURES What is an electric spark made of, is the question partly answered by the brilliant whirligig figure on the front cover of this weeks Science News Letter. The picture is one of several hundred made during research of Prof. C. Edward Magnusson of the University of Washington, Seattle. Prof. […]

    By Science News
  6. Humans

    From the April 29, 1933, issue

    LEAVING THE NEST While dredges grappled with her sister ships twisted girders and soaked fabric in the watery Atlantic grave off Barnegat Light, the Macon took to the air. The front cover presents the new queen of the skies as she appeared before being “walked” from the huge Akron air dock for the first trial […]

    By Science News
  7. Health & Medicine

    Protein implicated in Parkinson’s disease

    Inhibiting the natural protein cyclo-oxygenase-2, or COX-2, might help fight Parkinson's disease.

    By Nathan Seppa
  8. Health & Medicine

    Selenium’s Value to Prostate Health

    Prostate cancer remains the most common malignancy among U.S. men, and internationally it ranks fourth. Though few studies have offered much insight into what triggers this disease, a growing number of researchers have found evidence suggesting that dietary selenium protects men against this cancer. The seafood in this bowl of sushi can be a rich […]

    By Janet Raloff
  9. Health & Medicine

    Antibiotic for Huntington’s disease?

    In mice genetically engineered to develop an illness similar to Huntington's disease, the drug minocycline significantly delays the onset of symptoms and death.

    By John Travis
  10. Health & Medicine

    Microbes implicated in heart disease

    Viruses and bacteria besides chlamydia may play a role in human heart disease through an immune reaction to a heartlike protein they produce.

    By John Travis
  11. Health & Medicine

    Genes of cholera germ deciphered

    The bacterium that causes cholera has nearly 4,000 genes on its two circular chromosomes.

    By John Travis
  12. Health & Medicine

    Teen taters, too

    The epidemic of adolescent obesity may owe more to a paucity of exercise than to a growing intake of calories.

    By Janet Raloff