Fermenting cabbage into sauerkraut. Not all bacteria are bad. The humble cabbage holds an impressive secret. Most would say cabbage is dull when boiled but if you crush it, add sea salt and time you get amazing sauerkraut. Sauerkraut is rich in enzymes and bacteria and was traditionally used to preserve vegetables providing vitamin C in winter. Sauerkraut is the German word for sour cabbage.
Parentheses are a pair of curved marks that you put around words or numbers to indicate that they are additional, separate, or less important. (This sentence is in parentheses.) 2.
Parenthesis is of course Greek and means in fact insertion. It has taken the meaning of the signs  (  or  ) . Parentheses is the regular plural. Usually, you use a pair of the signs showing an insertion, then between parentheses - or brackets ; however, in parenthesis means : as an afterthought. A parenthesis is one of the marks usually called (ordinary, or curved) brackets in the UK or material set off by a pair of brackets (or commas or dashes). I've just used four parentheses to enclose two parentheses â but I wouldn't usually mix senses like this as it gets too confusing.