The occasional jokes are what honestly make me like it so much, I haven't noticed any slang really (Saying that, by the time of typing this, I haven't read it all just yet.) But I'm sure it'll just be icing on the cake, judging by your writing style., I'll enjoy the rest of this Guide and heck, probably start using Adv Genetics
! And trust me, that seems as formal as it gets and very enjoyable to read so far.