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3,585 results
3,585 results for: assessments
- Humans
Fractal or Fake?
A physicist who uses fractals to investigate the authenticity of some paintings attributed to Jackson Pollock finds that the works may be fake. But is the flaw in the paintings or in the fractal analysis?
- Health & Medicine
Fixes for Fatty Liver
A slate of experimental treatments, including three established diabetes drugs, could become medicines for nonalcoholic fatty liver disease, an obesity-related cause of cirrhosis.
- Earth
Traces of Trouble
Scientists and engineers are investigating how to stem the flow of naturally-occurring and synthetic estrogens that, when released from waste water treatment plants and livestock operations, can harm aquatic life.
- Anthropology
Mysterious Migrations
Controversial new studies report that modern humans from Africa launched cultural advances in Europe at least 36,000 years ago and reached what's now western Russia more than 40,000 years ago.
- Health & Medicine
A Gasping Heart
A common imperfection in the structure of the heart may exacerbate obstructive sleep apnea and, in mountaineers, trigger a life-threatening lung condition called high-altitude pulmonary edema.
- Tech
Wanted: Better Yardsticks
A new federal survey has found that a lack of measurement tools may jeopardize the United States' edge in technological innovation.
- Anthropology
Children of Prehistory
Accumulating evidence suggests that children and teenagers produced much prehistoric cave art and perhaps left behind many fledgling attempts at stone-tool making as well.
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Past Impressions
New research sheds light on the century-old concept of transference, a mental process in which people re-experience past relationships in new interactions.
- Math
Getting Old, Faster and Faster
The world population is aging fast, but is still younger than we tend to think.
- Health & Medicine
Academic Impacts of Vegetarian Childhoods
Teens are always looking for creative excuses for late homework, low test scores, and waning attention in class. Any who stumbled onto a copy of the September American Journal of Clinical Nutrition may have uncovered the basis for a particularly novel rationalization: “My parents made me a vegetarian.” Plants do not make vitamin B-12, also […]
- Climate
(Political) party animals
Featured blog: When it comes to attitudes about climate change, the chasm between Democrats and Republicans is wide. Political-polling analysts speculate that a McCain win in November might do more than an Obama victory to win over the minds of climate-change skeptics.
- Health & Medicine
Honey of a Threat
An all-natural, organic food, honey has a benign–if not wholesome–image. Many people consider it a superior alternative to table sugar and corn syrup–two primary sweeteners in the U.S diet. Though attractive to bees, borage may lace its flowers nectar with toxic chemicals that could then show up in honey. James N. Roitman, USDA-ARS Comfrey, formerly […]
