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AS IT IS 2015-03-29 Could Drones Help Save Rhinos in South Africa? 无人机真的能拯救南非犀牛吗? Since 2008, hunters have illegally killed more than 3,000 rhinos in South Africa. The International Union for Conservation of Nature warns tha
Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to choose Then we told each other With no trace of fear that..
《暮光3:月食》高清主题曲Neutron Star Collision Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to c
By Sean Maroney Washington 12 December 2006 The American space shuttle Discovery has docked with the International Space Station, beginning a week-long mission of major renovations to the orbiting laboratory. VOA's Sean Maroney reports from Washingt
【原文】 Black HolesWhat is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region