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Considering the controversy that Thomas Gold engendered when he first postulated abiogenic origins of earthly hydrocarbons, it’s odd you didn’t mention his name in your article. Edgar T. LynkNiskayuna, N.Y. Although Gold, author of The Deep Hot Biosphere (1998, Copernicus), was a strong proponent of a nonbiological origin of hydrocarbons, he was not the first […]
- Earth
Deep Squeeze: Experiments point to methane in Earth’s mantle
Although today's fossil fuel reserves reside in Earth's crust, a new study suggests that hydrocarbon fuel might also nestle deep in the mantle, at depths of 100 kilometers or more.
- Health & Medicine
Walking Away from Dementia: Moderate exercise protects aging minds
Two fresh studies strengthen the case that physical activity, including walking at a moderate pace, protects the aging brain from cognitive decline and dementia.
