russell , a sydney-based university lecturer who has worked in the wine retail industry for over 10 years -lrb- with a claim to fame that it 's likely you do n't know the distinct differences between a cabernet sauvignon and a merlot and tend to swallow more than you spit it out at a wine tasting .
set aside at least four hours .
as part of his research study , russell would have people come into the lab every day to smell and taste lots of wines .