Humans
We summarize the week's scientific breakthroughs every Thursday.
- Archaeology
Ancient Glassmakers: Egyptians crafted ingots for Mediterranean trade
New archaeological finds indicate that by about 3,250 years ago, Egypt had become a major glass producer and exporter.
- Health & Medicine
Preventing PMS: Vitamin and mineral let women avoid syndrome
Ample calcium and vitamin D in the diet prevent premenstrual syndrome in some women.
- Anthropology
Climate shift shaped Aussie extinctions
Stone Age people lived virtually side-by-side with now-extinct animals in western Australia for 6,000 years.
- Health & Medicine
Striking a Better Bargain with HIV
Because a drug frequently used to block the transmission of HIV from mother to infant may have negative consequences for the mothers, researchers are looking for inexpensive treatments that will benefit both mother and child.
- Humans
Letters from the June 18, 2005, issue of Science News
Road worriers “Navigating Celestial Currents: Math leads spacecraft on joy rides through the solar system” (SN: 4/16/05, p. 250) gives the casual reader the distorted view that one could travel the solar system at will by using these methods. These are generally small perturbations on the much larger primary propulsion requirement that is fixed by […]
- Humans
From the June 8, 1935, issue
Ancient, titanic beasts at a museum, a test of vision theory, and ethylene gas and ripening fruit.
- Health & Medicine
Back to Genetics: DNA variant may code for lumbar pain
An inheritable gene variation may increase susceptibility to lumbar-disk disease.
- Humans
Letters from the June 11, 2005, issue of Science News
Dim prospects To a layman like me, it seems almost impossible that light reflected from a body that lies “much farther from the star than Pluto does from the sun” could be seen from Earth at a distance of 450 light years, when Pluto, only 6 light hours away, reflects so little light to Earth […]
- Health & Medicine
Tracking down an emerging disease
By examining geographic patterns of outbreaks of a disfiguring skin disease in tropical nations, scientists are finding tentative clues about how the ailment spreads.
- Health & Medicine
Obesity and insulin resistance age cells
Conditions known to hasten diabetes in people may also speed aging.
- Health & Medicine
Calories May Not Count in Life Extension
In fruit flies, shifting the concentrations of nutrients while only modestly cutting calories extends lifespan just as much as a drastic calorie cut does.
- Anthropology
Faithful Ancestors
A controversial fossil analysis supports the view that, more than 3 million years ago, human ancestors living in eastern Africa favored long-term mating partnerships.
