News
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AnimalsColor of light sets dung beetles straight
Dung beetles may rely on green and ultraviolet colors in the sky to help orient themselves.
By Susan Milius -
ClimateEocene temperature spike caused by half as much CO2 as once thought
Revised experiments demonstrate that hot temperatures during the Eocene resulted from lower carbon dioxide concentrations than previously thought.
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PaleontologyVampire microbes sucked some ancient life dry
Hole-ridden fossils suggest that vampirelike microbes were among the first predators that targeted eukaryotes.
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Planetary SciencePluto’s smaller moons pose mysteries
The four smaller moons of Pluto are finally revealed in images from New Horizons, and might hold some clues to the dwarf planet’s past.