hahas...wow....today after school my class,3E1 went to Ngee Ann poly for a enrichment programme....and it was very very interestin....hahas...we learnt how the murder suspect can be caught by their DNA samples...for example...hair....blood...etc...hahas....we first had a blood sample...dun know from where...hahas...and guess wad...we got to take it home and keep them as souveniers....hahas...how nice is that...hahas...the whole process was fun...we centrifuge the blood samples first though...and we poured away the supernatant....hahas...leaving behind a white substance...hahas...okok...then we all went home....hahas....yups...thats all for today...hahas...Good dae....