A NASA report on the last minutes of Space Shuttle Columbia cited problems with the crew's helmets, spacesuits and restraints, which resulted in "lethal trauma" to the seven astronauts aboard.
But the report also acknowledged that "the breakup of the crew module ... was not survivable by any currently existing capability."
The spacecraft broke up while re-entering Earth's atmosphere near the end of its mission on February 1, 2003.
The NASA report found the astronauts knew for about 40 seconds that they did not have control of the shuttle before they likely were knocked unconscious as Columbia broke apart around them.
Former Georgia Congresswoman Cynthia McKinney has called upon President-Elect Barack Obama to "please, say something about the humanitarian crisis that is being experienced by the Palestinian people, by the people of Gaza." McKinney spoke to CNN news from the Lebanese city of Tyre, where she had debarked from the relief vessel Dignity after it was rammed on the high seas by an Israeli patrol boat, early Tuesday morning. Passengers also report the Israelis fired machine guns into the water near their ship. 
Four leading Israeli rabbis have sanctioned the murder of civilian population in the Gaza Strip amid the Israeli onslaught on the region.
An extract from grape seeds can destroy cancer cells, US research suggests. In lab experiments, scientists found that the extract stimulated leukaemia cells to commit suicide.
