Montreal's Olympic Stadium was an ambitious engineering project with a striking Space Age design, but it's distinctive roof has caused over one billion dollars in cost overruns; experts reveal what went wrong and how cutting-edge science can fix it.

New science reveals the inside story of the Apollo 13 disaster; using the latest evidence, experts explain what really went wrong and how NASA saved the lives of the three astronauts stranded in space in a life-or-death race against the clock.