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ClimateFossil fuel use may emit 40 percent more methane than we thought
Ice cores suggest natural seeps release less methane than was estimated, meaning industry produces nearly all of today’s geologic methane emissions.
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Particle PhysicsAntimatter hydrogen has the same quantum quirk as normal hydrogen
Atoms of antihydrogen are affected by the Lamb shift, which results from transient particles appearing and disappearing.
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ArchaeologyAncient ‘megasites’ may reshape the history of the first cities
At least two ancient paths to urban development existed, some archaeologists argue.
By Bruce Bower -
AnimalsOne blind, aquatic salamander may have sat mostly still for seven years
Olms may live for about century and appear to spend their time moving sparingly.