These kids are possibly the most frightening (and yet strangely comforting) children I have ever read about. So clever so young.

‘Qilei Hang, 18…used mathematical modeling to develop new equations and built miniature stockpiles to test their validity. Her equations, increasing efficiency by about 20%, are already being used in the field, and her work has been recognized by the Society for Mining, Metallurgy, and Exploration.