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3,584 results
3,584 results for: assessments
- Astronomy
The sun isn’t the only light source behind that summer tan
About 99.999% of the light that creates a suntan comes from the sun; the rest comes from the Big Bang and galaxies throughout the universe.
- Earth
Nuclear blasts, other human activity signal new epoch, group argues
A group of scientists will formally propose the human-defined Anthropocene as a new epoch in Earth’s geologic history within a few years, probably pegging the start date to nuclear tests.
- Astronomy
Radio signal probably not from extraterrestrials
A possible radio signal from extraterrestrials probably originated a lot closer to home.
- Neuroscience
Sleep deprivation hits some brain areas hard
Brain scan study reveals hodgepodge effects of sleep deprivation.
- Neuroscience
What Donkey Kong can tell us about how to study the brain
Neuroscience tools failed to reveal much about a simple microprocessor. What can they really tell us about the brain?
- Science & Society
See where Clinton and Trump stand on science
Science News looks at where presidential candidates Hillary Clinton and Donald Trump stand on seven key science issues, from genetic engineering to space exploration.
- Health & Medicine
Unprotected sex less risky if HIV-positive partner on antiretroviral therapy
The risk of HIV transmission during unprotected sex drops drastically if the HIV-positive partner is taking antiretroviral therapy.
- Math
Courts’ use of statistics should be put on trial
Bayesian statistics offer a useful tool for avoiding fallacies in legal reasoning.
- Animals
Counting cats is hard, but we know the numbers aren’t good
Recent studies highlight the difficulty of counting big cats, but even imperfect counts show that these species are in trouble.
- Neuroscience
Social area of the brain sets threat level of animals
How people perceive an animal’s danger level is encoded in a particular wrinkle of cortex, a brain scan study suggests.
- Math
Despite misuses, statistics still has solid foundation
In "The Seven Pillars of Statistics Wisdom," Stephen Stigler lays out the basic principles of statistics.
- Health & Medicine
This week in Zika: Assessing risk, mosquito range, a transmission first and more
Several new reports document Zika infection in U.S. pregnant women, a case of male sexual transmission, the range of Zika-carrying mosquitoes and more.
