Analyzing a single-celled green alga, researchers have found a fermentation process which was not known before that can revolution hydrogen production. Chlamydomonas reinhardtii, a soil or fresh water single-celled alga, produces its own energy by fermentation when it has no source of oxygen.

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New types of solar cells emerge every month, but this particular kind has caught my attention, not due to its efficiency (approx 1%), but to the idea that conceived it.

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