How do you grow plants in space? | BBC News

Scientists are researching how different plant species grow in space and it is an important step towards making long-term stays possible. If astronauts want to stay in space longer they will need to replenish their own food supply. So, how do you grow lettuce in space? This video is from BBC Click, the BBC’s flagship technology programme. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #Nasa #Space #BBCNews