You are viewing a single comment's thread from:RE: What's in your pencil?View the full contextveejay (55)in #stem • 7 years ago (edited) Thank you for your interesting research @mfmp. I have been using a lead pencil for more than 50yrs, and wasn't aware of the toxins we're exposed to.
Thank you for your interesting research @mfmp. I have been using a lead pencil for more than 50yrs, and wasn't aware of the toxins we're exposed to.
Not just the Barium, but the Aluminium, not good to suck lets say.
Really nice gif of dolphins