week they were investigating how bacteria grows in probiotic milk drinks. The
class cultured colonies of bacteria from samples of common brands of bacteria
and let them grow for a week before sampling them.
head girl Sophie was very pleased to be back carrying out practical
said: "It was great to get back practical work. I
definitely understand processes better if I have experience of doing them myself.
“It was difficult learning how to work aseptically (in
sterile conditions) but it is a skill that is vital in microbiology so we had
to master it."
Owain: "In Physics experiments, we usually know exactly
what will happen but in Biology, it's totally unknown- I found that really
exciting. Our results weren't totally conclusive but that is a reflection of
how the study of living organisms is, it is messy but that is how real-life
"Growing up in Switzerland culturing milk for cheese is a big part of our
regional identities, it's awesome to actually understand the biology of the