“Asking yourself questions about ‘Who am I?’ ‘What do I want?’ and ‘What message am I sending?’ can turn what ought to be a simple decision into an ordeal,” says Iyengar. “But do we know what we want?” The truth, according to Iyengar, is that sometimes we don’t even recognize our own choices. “We believe that if there are more choices available to us, there’s more opportunity to find what we want and then we’ll be happy,” notes Iyengar.
It is also a means through which we telegraph to others who we are. In the United States, we may think of choice as not only our birthright, but as the means through which we exert our freedom.
Get choosy series#
21, in a lecture titled “The Art of Choosing”-the first in the Dean’s Lecture Series at the Radcliffe Institute for Advanced Study-Iyengar, through her innovative experiments and personal anecdotes, dispelled many assumptions about choice and how it relates to happiness. Lee Professor of Business at Columbia Business School, is a leading researcher on choice. The research was supported by the National Institutes of Health Grant R21 AI095780 and by a Dean's Enrichment Grant from NC State's College of Agriculture and Life Sciences.Sheena Iyengar is here to tell you that, when it comes to choice, more is not better. Michael Reiskind, associate professor of entomology at NC State, and Paul Labadie, an NC State agricultural research technician, co-authored the paper, as did Irka Bargielowski and Phil Lounibos from the University of Florida. The research appears in Molecular Ecology. albopictus mosquitoes live in relatively equal densities. "This study suggests other mechanisms are at play."īurford Reiskind hopes to continue learning more about the genes involved in mating behaviors by conducting a larger-scale study, perhaps in places where A. "Invasive species are often seen as better competitors for scant resources, but that doesn't seem to be the case for these mosquitoes," Burford Reiskind said. aegypti mosquitoes mated later in their brief lifespans - most live for two or three weeks - and were generally smaller. "We can now look at certain gene regions and feel confident that they are involved in mating behavior."Ĭhoosiness had its costs, though. aegypti mosquitoes," Burford Reiskind said. "We wanted to know what genes were involved in the evolution of this choosiness in female A. Geographic location didn't seem to make a difference: The female mosquitoes in both Florida and Arizona exhibited similar genetic changes. aegypti females were exposed to cousin males in the lab and in the wild. albopictus males for males of their own species. aegypti females quickly - in just six generations - became more picky when selecting mates, eschewing A. aegypti females respond to this type of threat and what happens in their genetic blueprint as their responses change. Martha Burford Reiskind, research assistant professor in the Department of Applied Ecology at NC State and corresponding author of a paper describing the research, and colleagues wanted to understand more about how A. aegypti males, but they were later able to be fertile when mating with males of their own species. albopictus females didn't face the same fate no offspring were produced when they mated with A. albopictus males - a genetic no-no - those females became sterile for life, a process called "satyrization." A. But another factor also played a huge role in the battle: When A. albopictus mosquitoes seemed to be able to outcompete the native mosquitoes. Part of the takeover was attributed to how the larvae of each species grew A. aegypti mosquitoes carry and spread many diseases that harm humans, including Zika, dengue fever and chikungunya. aegypti populations in Key West, Florida, Arizona and a few other southern locales. aegypti populations throughout the Southeast, leaving smaller A. In this "battle of the Aedes," the invading A. At issue is the displacement of Aedes aegypti (yellow fever) mosquitos by a cousin species, Aedes albopictus (Asian tiger), which occurred in the southeastern United States in the 1980s.
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