Linea nigra (current) Carnival of Oruro Neutron emission Jacques Lemercier Josh O'Connor Collateralized debt obligation Shí (surname) Permafrost carbon cycle William Kerr, 3rd Marquess of Lothian Sonic the Hedgehog (2006 video game) Roy O. Disney Lucas number Interval (music) Altun Ha Goru Professional–managerial class James A. Van Allen