Mission Mars: A giant leap for women?

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A new study suggests the first human mission to Mars should consist of an all-female crew because they are more efficient. Researchers from the European Space Agency (Esa) found women use less oxygen, produce less carbon dioxide and require less food than their male counterparts. Cady Coleman is a chemist, an engineer and a retired Nasa astronaut who is a veteran of two space shuttle missions. She told Newsday while women are “very economical for space flight… all female crews are not a good idea… we would be better off with a crew that is quite different from each other.” (Picture: Shows an imagined scene of an astronaut walking on Mars with Earth in the distance. Credit: Getty Images.)