Nature: Generating electricity from natural gas emits half as much carbon dioxide per joule as generating electricity from coal. According to a newly released MIT study, the US has reserves of 60 trillion cubic meters of natural gas, the world’s third largest and enough to supply US electricity needs for 92 years. For generating electricity, coal is cheaper than natural gas, but that cost advantage would be reversed if CO 2 emission were factored in, the report says.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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