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AnimalsInvasive yellow crazy ants create male ‘chimeras’ to reproduce
Yellow crazy ants are first known species where chimerism is required in males: Each of their cells holds DNA from just one of two genetic lineages.
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ArchaeologyHair analysis reveals Europe’s oldest physical evidence of drug use
Analyses of human hair found in a Mediterranean cave turned up psychoactive plant substances, revealing use of hallucinogens around 3,000 years ago.
By Bruce Bower -
Planetary ScienceVenus has almost 50 times as many volcanoes as previously thought
Where are there NOT volcanoes on Venus? A new map of the planet unveils a veritable volcanic bonanza.
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AstronomyA stream of cold gas is unexpectedly feeding the far-off Anthill Galaxy
The finding suggests that early galaxies might have gained more of their bulk from streams of cold gas instead of in violent galaxy collisions.