What are the decomposers in the underwater ecosystem? A: The decomposers in an underwater ecosystem are animal-like organisms called protists, fungi and bacteria. Referred to as saprotrophs, these organisms decom... Full Answer >
On 1 February 2003 the space shuttle Columbia exploded as it was attempting re-entry after a 16-day mission. All seven astronauts on board, including the first Israeli in space, were killed. Tributes to the astronauts were led by US President George W Bush.
CHALLENGER DISASTER. CHALLENGER DISASTER. Perhaps no tragedy since the assassination of President John F. Kennedy in 1963 had so riveted the American public as did the explosion of the space shuttleChallenger on 28 January 1986, which killed its seven-member crew.