Unable to put a man on Mars

[WitheHole18]

http://www.lastampa.it/2013/05/31/scienza/nasa-impossibile-mandare-luomo-su-marte-radiazioni-letali-F75K3r6DFhGmhu7G4xW34N/pagina.html
Sorry it's italian.
According to NASA it is impossible to put a man on mars.

[Magnetarhyper4436]

Well this topic talks about an organisation that can reach Mars: http://universesandbox.com/forum/index.php/topic,11792.0.html

[Camacha]

Most radiation can be shielded one way or another. In that case it becomes a complication and an engineering problem rather than incapacitating factor.

[smjjames]

http://www.lastampa.it/2013/05/31/scienza/nasa-impossibile-mandare-luomo-su-marte-radiazioni-letali-F75K3r6DFhGmhu7G4xW34N/pagina.html
Sorry it's italian.
According to NASA it is impossible to put a man on mars.

That's probably what people said about landing on the moon before people went and did it.