Ancient Canadian Shield Rocks Are Leaking Hydrogen. Enough to Power Hundreds of Homes.
Ben Sullivan
Go far enough underground in northern Ontario and the rock around you is older than almost anything on the surface of this planet. A billion years old, give or take. Gneisses and granites that predate complex life, that predate the oceans as we know them, that have been quietly sitting in the dark, doing chemistry, for longer than the imagination can really hold. And now, in operating mines near Timmins, researchers have been crouching beside boreholes and measuring something that geologists...