Eccentricities of orbits point to significantly different upbringings for small and large planets

"What we found is that right around the size of Neptune, planets go from being almost always on circular orbits to very often ...
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Spread of pathogens between species is predictable, study finds

The study was conducted in a grassland on the UC Santa Cruz campus known as the “Great Meadow.” (Photo by Gregory Gilbert) Researchers grew a selection of 44 wild plant species with no previous ...