If Russia’s invasion and the ensuing war significantly reduce Ukrainian grain exports, surging prices could increase food insecurity and carbon dioxide emissions, as marginal land is pushed into crop production. That’s the chain reaction predicted by modeling from a research team that includes Amani Elobeid, a teaching professor of economics at Iowa State University. An...
Watch any episode of “CSI,” and a character will use forensic DNA profiling to identify a criminal. A new study from San Francisco State University suggests that these forensic profiles may indirectly reveal medical information — perhaps even those of crime victims — contrary to what the legal field has believed for nearly 30 years. The findings...
Key Takeaways: Consumers reduced purchases of breakfast cereals with the new warning labels for unhealthy foods. The chocolate and cookie categories did not demonstrate the same impact. Lower- and middle-income consumers and families with children are more likely to pay attention to food warning labels. In 2016, Chile introduced the gradual implementation of a comprehensive...
Menthol use has increased over the past decade among U.S. adults who smoke cigarettes, according to a study released by Columbia University Mailman School of Public Health and The City University of New York. Menthol use is much more common among adult smokers who are younger, from racial/ethnic minoritized groups and with mental health problems....
An odor machine, so-called olfactometer, makes it possible to smell in VR environments. First up is a “wine tasting game” where the user smells wine in a virtual wine cellar and gets points if the guess on aromas in each wine is correct. The new technology that can be printed on 3D printers has been...
People often visit U.S. national parks to catch a glimpse of wildlife. But how does our presence impact the animals we hope to see? National park traffic has grown steadily over the past decade, and popular parks like Yosemite and Yellowstone can easily see over a million visitors a year. In these heavily used areas,...
“Women are better. The female advantage is consistent across time and life span, but it is also relatively small”, says Marco Hirnstein, professor at The University of Bergen, Norway. Hirnstein is interested in how biological, psychological, and social factors contribute to sex/gender differences in cognitive abilities and what the underlying brain mechanisms are. Will the...
Working alongside robots may contribute to job burnout and workplace incivility, but self-affirmation techniques could help alleviate fears about being replaced by these machines, according to research published by the American Psychological Association. Researchers found that workers in the U.S. and parts of Asia feel job insecurity from robots, even in industries where robots aren’t...
Ann Patchett, who has written eight novels and five books of nonfiction, says that when faced with writer’s block, sometimes it seems that the muse has “gone out back for a smoke.” It doesn’t matter whether you’re an award-winning novelist or a high schooler tasked with writing an essay for English class: The fear and...
Who invented music? – Rom, age 7, Las Vegas, Nevada The short answer is: No one knows who invented music. No historical evidence exists to tell us exactly who sang the first song, or whistled the first tune, or made the first rhythmic sounds that resembled what we know today as music. But researchers do...
