Scientists have discovered that the evolution of land plants caused a sudden shift in the composition of Earth's continents. Scientists at the University of Southampton have discovered that the ...

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PROVIDENCE, R.I. — Itokawa, a spud-shaped, near-Earth asteroid, consists mainly of the minerals olivine and pyroxene, a mineral composition similar to a class of stony meteorites that have pelted ...

People with high levels of body fat stored in their belly or arms may be more likely to develop diseases like Alzheimer's and Parkinson's than people with low levels of fat in these areas, according ...