fossil

But its green ambitions are at odds with its deep entanglement with lucrative fossil fuel industries, and it remains one of the world's biggest coal exporters.

Analyses of fossils and genomic data indicate that precursors of the enhanced hearing bones first appeared while these fish still lived in the sea.

"This is a story about how a fossil protects its host from the outsider, and we have 10 other fossil-related stories that could offer their own defenses waiting to be tested," Wood said.

Unlike fossil fuels, which emit planet-warming carbon, hydrogen simply produces water vapor when burned.

Reisner’s research group specializes in the development of artificial leaves, which turn sunlight into carbon-based fuels and chemicals without relying on fossil fuels.