The hydroprocessing increases the intrinsic hydrogen content of the pyrolysis oil, producing polyols and alcohols. (science.sciencemag.org)
«Anything with high hydrogen content, including water, would work well.» (sciencedaily.com)
Two billion year - old water pockets and a revised deep hydrogen content are good news for Earth's vast subsurface biosphere, and could offer clues to life on Mars and much further beyond. (scientificamerican.com)