An ancient child from East Asia grew teeth like a modern human
The youngster’s species is unknown for now
![digital reconstruction of two teeth](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/01/011519_BB_tooth_feat.jpg?fit=860%2C460&ssl=1)
GROWING MYSTERY An investigation of growth lines in an ancient East Asian child’s teeth (two digitally reconstructed teeth shown) uncovered a developmental pattern similar to that of modern humans. But the child’s species is unclear.
S. Xing and Paul Tafforeau