Heman Bekele whipped up the most dangerous of what he called his “potions” when he was just over 7 years old. He’d been conducting his own science experiments for about three years by that point, mixing up whatever he could get his hands on at home and waiting to see if the resulting goo would turn into anything.
“They were just dish soap, laundry detergent, and common household chemicals,” he says today of the ingredients he’d use. “I would hide them under my bed and see what would happen if I left them overnight. There was a lot of mixing together completely at random.”
Read more at TIME Magazine.