Originally published on Mon February 11, 2013 5:09 pm
It's another case of a beautiful idea colliding with some ugly facts.
The beautiful idea is the notion that clearing the blocked artery of a stroke patient with a device snaked right up to the blockage would salvage threatened brain cells and prevent a lot of disability.
Yeast can be pretty demanding little buggers, despite being unicellular microscopic organisms. Brewers know they must appease them to get the beer they want.
"It's yeast-strain dependent, it's environment, it's temperature, oxygen levels," says Matt Brophy, brewmaster of Flying Dog Brewery in Frederick, Md. "There's a lot of variables that you need to have a high level of control over."