The study did not examine the possibility of deep psychological significance to the mistake, says psychologist David Rubin, "but it does tell us who's in and who's out of the group."
Liberal economist Dean Baker, co-founder of the Center for Economic Policy and Research, says male economists have been on the inside of the profession, confirming each other's anti-regulation views.
Similar evidence appeared in songbirds and rats around the same time, and since then, researchers have built up an impressive catalogue of animal lateralisation.
These days, as studies in the U.S.show bullying on the rise and parental supervision on the decline, researchers who study bullying say that calling moms and dads is more futile than ever.
In fact, says Chan, while safety rules are strict, more measures are taken to protect the bacteria from contamination than to protect the researchers from the bacteria.
This paper proposes a method of above-water photogrammetry and investigates the theories and methods of plotting the slide topography in the deformed area of the reservior's bank.