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Image for NASA finds strong evidence that Mars was once habitable

NASA finds strong evidence that Mars was once habitable

Duration: 02:50

Dr Ashwin Vasavada, the Deputy Project Scientist for the Mars Science Laboratory Project, tells us NASA has found evidence that Mars was once habitable

Available since: Fri 19 Jul 2013

This clip is from

Up All Night 19/07/2013

Trayvon Martin's family lawyer says his death should be investigated as a hate crime.

First broadcast: 19 Jul 2013

Image for 19/07/2013 Not currently available

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