heart murmur a sound additional to the normal heart sounds, heard on auscultation of the heart. Many murmurs are of no significance (innocent, physiological murmurs), particularly in young children, or due to increased blood flow through the heart during exercise, or in pregnancy.
Columbia Space Shuttle Disaster. On February 1, 2003, the space shuttle Columbia was returning from its 28th mission when, 16 minutes to touchdown, the shuttle incinerated and broke apart over Texas. Communication between the Columbia crew and Mission Control captures the last moments of the flight.
SPACEX'S FALCON 9 ROCKET EXPLODES ON LAUNCHThis is why SpaceX rocket explosion is a big loss | 2:10. 1  The SpaceX Falcon 9 rocket that exploded Sunday means the loss of important research equipment and supplies for the crew on board the International Space Station. But it won't delay plans to send three more astronauts to the ISS next month.