A few weeks ago on Spark, we heard how scientists at the University of Ottawa were working to create designer organs (the kind in our bodies!) that could communicate via Twitter. This kind of bio-tinkering seems an awful lot like what's going on in the DIY-bio movement. Yes, Do-it-yourself bio-hackers do exist, and they say if you're an actual scientist, you can't be in the club! Spark contributor Sonya Buyting tells us more.