Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Travels with the War Goddess
A botany expedition to Samoa turns out to be as much about the people as about the plants.
- Health & Medicine
Cutting blood supply to kill off fat
Killing the blood vessels that sustain fat tissue causes obese mice to lose weight.
- 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.
- 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.
- Anthropology
Out on a Limb
The science of body development may make kindling out of evolutionary trees.
- 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.
- 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.
- 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.
- 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 […]
- 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.
- 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.
- 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.
