Panewo uchapupu hwokuti magnetite iripo muuropi hwomunhu.
Chokwadi, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeyokuti "Panewo ufakazi hwokuti magnetite iripo muuropi hwomunhu, umo inofungidzirwa kuva inokanganisa ndangariro yenguva refu".