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3,585 results
3,585 results for: assessments
- Earth
Farmed salmon bring PCBs to the table
High concentrations of chlorinated organic contaminants in farm-raised Atlantic salmon may warrant limiting consumption of the otherwise-healthful fish to no more than once per month.
- Health & Medicine
Vitamin D and multiple sclerosis
Women who consume little vitamin D develop multiple sclerosis at a rate about 50 percent higher than those who get lots of the nutrient.
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Harvesting Intelligence: IQ gains may reach rural Kenya’s kids
Researchers say they've uncovered a dramatic IQ increase among Kenyan children over a recent 14-year period that may be due to environmental factors such as better nutrition and a greater parental emphasis on schooling.
- Math
Uncovering a prime failure
Mathematicians have returned to the drawing board after what looked like a dramatic step forward in understanding prime numbers.
- Animals
Snake Pits: Viper heat sensors locate cool spots
Scientists who glued aluminum foil and plastic balls to live rattlesnakes say that snakes use their heat-sensing organs for more than hunting prey.
- Health & Medicine
Prevention in a Pill? Baldness drug might avert prostate cancer
The drug finasteride, given to alleviate baldness and prostate problems, might prevent some cases of prostate cancer.
- Humans
Ideal Justice: Mathematicians judge the Supreme Court
The current U.S. Supreme Court of nine judges behaves as if it were made up of 4.68 "ideal" justices who make their decisions completely independently, a mathematical analysis suggests.
- Physics
Antiglare eye black is better than tape
Black grease that athletes smear under their eyes to control the glare of the sun really helps them discern contrast; what's more, it works better than black tape, a newer antiglare aid.
- Health & Medicine
Viruses, but not bacteria, tied to mental decline
Past infection by multiple common viruses may contribute to cognitive decline in some elderly people.
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Meditation changes
People who meditate display particularly strong immune responses and brain activity that has been linked to emotional improvements, according to preliminary data.
- Health & Medicine
Zealous Adherence: Erratic HIV therapy hasn’t fueled resistance
Among people infected with HIV, those who don't consistently take their antiretroviral drugs as prescribed are no more likely to develop drug-resistant HIV than are patients who adhere to their treatment schedule.
- Health & Medicine
Damage Patrol: Enzyme may reveal cancer susceptibility
People with lung cancer show less DNA-repair activity by a certain enzyme than people without the disease do.
