News
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Science & SocietyWhite House budget plan would slash science
President Donald Trump’s budget proposal for fiscal year 2018 includes some big cuts for science.
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EarthRemnants of Earth’s original crust preserve time before plate tectonics
Canadian rocks containing bits from 4.2 billion years ago suggest that full-fledged plate tectonics had a late start.
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PhysicsSuperfluid helium behaves like black holes
Simulations of superfluid helium show it follows the same unusual entropy rule that black holes do.
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AstronomyDistant galaxies lack dark matter, study suggests
Slower-than-expected velocities of stars in distant galaxies, if confirmed, could reshape astronomers’ ideas of galaxy formation and evolution.