Humans
- Health & Medicine
Cutting blood supply to kill off fat
Killing the blood vessels that sustain fat tissue causes obese mice to lose weight.
By John Travis - Health & Medicine
Estrogen loss induces lung disease in mice
Estrogen loss hampers lung function in mice by sabotaging the alveoli, the tiny sacs that deliver oxygen-rich air to the bloodstream.
By Nathan Seppa - Health & Medicine
Folate enrichment pays baby dividends
The federally mandated fortification of grain-based foods with folic acid has led to a 25 percent drop in the rate of potentially life-threatening neural tube birth defects.
By Janet Raloff - Anthropology
Out on a Limb
The science of body development may make kindling out of evolutionary trees.
By Bruce Bower - Health & Medicine
Cinnamon Cleans the Breath
Cinnamon can kill oral bacteria, including germs responsible for a chemical that imparts the rotten-egg smell to the breath.
By Janet Raloff - Humans
From the May 19, 1934, issue
Preparing for a stratospheric ascent, the great dust storm of 1934, and the invention of the electron microscope.
By Science News - Humans
Young Talent on Display: Tomorrow’s scientists and engineers win recognition, rewards
The three top winners of the 2004 Intel International Science and Engineering Fair hail from high schools on different continents.
By Ben Harder - Humans
Letters from the May 22, 2004, issue of Science News
Further options “Surgical Option: Hysterectomy may top drugs for women with heavy bleeding” (SN: 3/27/04, p. 196: Surgical Option: Hysterectomy may top drugs for women with heavy bleeding) doesn’t mention that 13 to 20 percent of women with heavy menstrual periods have a common but often undiagnosed bleeding disorder called von Willebrand disease. Because this […]
By Science News - Archaeology
Guatemalan sites yield Maya insights
Excavations at three archaeological sites in Guatemala have provided new insights into both the early and late stages of ancient Maya civilization.
By Bruce Bower - Health & Medicine
Herbal erection pills may be spiked
Some pills marketed as herbal remedies for erectile dysfunction contain drugs that should be available only by prescription.
By Ben Harder - Anthropology
Humanity’s Strange Face
New fossil finds in a Romanian cave fuel controversy over whether different, closely related species interbred on the evolutionary path that led to people.
By Bruce Bower - Humans
Letters from the May 15, 2004, issue of Science News
Drug benefits There are added benefits to methotrexate and etanercept for rheumatoid arthritis patients, such as myself (“Two arthritis drugs work best in tandem,” SN: 3/13/04, p. 174: Two arthritis drugs work best in tandem). After a recent major flare-up, my rheumatologist put me on that therapy. Many people don’t realize that along with inflammation […]
By Science News