Search Results for: assessments
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3,585 results
3,585 results for: assessments
- Space
Solar system’s edge surprises astronomers
New observations reveal a dense ribbon structure that current models don't explain.
- Health & Medicine
Exercise helps brains bounce back
Study of rhesus monkeys shows running protects dopamine neurons from death.
- Anthropology
Gene, fossil data back diverse human roots
Ancient mitochondrial DNA extracted from Homo sapiens fossils and anatomical links among H. sapiens crania from different regions both support a theory of geographically diverse human origins.
- Physics
Muffled shots tell a lot about snow
A snowfield muffles gunshots in a way that can now be used to reveal important traits of the snow.
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Some police see through killer’s lies
For the first time, a person's ability to size up a highly motivated liar has been assessed in a study of police officers viewing videotaped interviews of a murder suspect.
- Health & Medicine
Urine tests can foretell bladder cancers
U.S. and Chinese researchers find that two unconventional urine tests can often predict when a person is developing bladder cancer even before tumors appear.
- Math
Splitting Terrorist Cells
How can you tell if enough members of a terrorist cell have been captured or killed so there’s a high probability that the cell can no longer carry out an attack? A mathematical model of terrorist organizations might provide some clues. The question is what sort of mathematical model would work best. In this hypothetical […]
- Math
Randomness, Risk, and Financial Markets
A novel measure of disorder in a sequence of numbers can provide insights into financial markets.
- Math
A Grove of Evolutionary Trees
"Trees of life" show patterns of evolutionary descent, and they fit together mathematically to form an abstract forest.
- Math
Miles from Nowhere
Scientists have developed a new technique for calculating the ecological value of road-free areas of land and representing them geometrically.
- Math
Mathematical Fortune-Telling
A researcher uses game theory to predict the outcome of political and business challenges, including the current dispute with Iran over nuclear technology.
- Math
Good Stories, Good Math
Young children who show sophisticated story-telling skills go on to demonstrate greater mathematical ability.
