BIO PRACTICAL ZOMG!!!

today went to bio practical lab~thought can have a relaxing day(coz until nw bio practical all easy job)then something unexpected came to me!!!it's the yeast!!!tat smell can be described as the most "yucks" smell in my life yet...the yeast is filled inside two big bucket..it looks like sponge at 1st sight..but when i get near the bucket,the yucks smell came directly to me!~WTF!!!is thr someone drunken and vomit inside the bucket?(trust me its really alike smell) wat a horrible smell!!!i wonder hw those bread making factory face with yeast everyday....