The most comprehensive study yet of long-term ultrafine particle exposure found that concentrations of this tiny pollutant reflect the city’s decades-old racial and economic divides.


The most comprehensive study yet of long-term ultrafine particle exposure found that concentrations of this tiny pollutant reflect the city’s decades-old racial and economic divides.

Most conscientious adults tend to avoid making biased or discriminatory comments in the presence of children. But new research from the University of Washington suggests that preschool-aged children can learn bias even through nonverbal signals displayed by adults, such as a condescending tone of voice or a disapproving look. Published Dec. 21 in the journal Psychological Science, the research found that children can “catch” social bias by seeing negative signals expressed by adults and are likely to generalize that learned…

Interracial marriage has grown in the United States over the past few decades, and polls show that most Americans are accepting of mixed-race relationships. A 2012 study by the Pew Research Center found that interracial marriages in the U.S. had doubled between 1980 and 2010 to about 15 percent, and just 11 percent of respondents disapproved of interracial marriage. But new research from the University of Washington suggests that reported acceptance of interracial marriage masks deeper feelings of discomfort —…

Female college students are more likely to abandon studies in science, technology, engineering and math (STEM) disciplines than their male classmates, and new research from the University of Washington suggests that those male peers may play a key role in undermining their confidence. Published this week in the journal PLOS ONE, the study found that males enrolled in undergraduate biology classes consistently ranked their male classmates as more knowledgeable about course content, even over better-performing female students. The over-ranking equated…

Most discrimination in the U.S. is not caused by intention to harm people different from us, but by ordinary favoritism directed at helping people similar to us, according to a theoretical review published online in American Psychologist.