PCR: https://t.co/oLNNPPCD64

Dr Andrew Kaufman: https://t.co/c3IjtrlGmo
PCR: https://t.co/oLNNPPCD64

Dr. Andrew Kaufman: https://t.co/c3IjtrlGmo
When I don’t know things, I don’t think that I do either. Unknown Unknowns specialist; Interested in those I don’t know I don’t know!
When I do not know things, I do not think that i do either. Unknown Unknowns specialist; Those interested in I do not know I do not know!