Royal College of Art graduate Julian Melchiorri has developed a "man-made biological leaf," made from chloroplasts and a silk product, that produces oxygen the same way a real plant does. As Melchiorri explains in the video, that could be a boon for space exploration.

There are a number of things that we can do get a space colony up and running soon, but the need for oxygen is something that cannot be worked around. As Melchiorri explains in the video above, his man-made material could very well be the solution to that problem.

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