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| Single class of queen pheromones stops worker reproduction in ants, bees, wasps Posted: 16 Jan 2014 12:08 PM PST A new study has found that the chemical structure of queen pheromones in wasps, ants and some bees is strikingly similar, even though these insects are separated by millions of years of evolution and each evolved eusociality independently of the other. The results suggest that queen pheromones used by divergent groups of social insects evolved from conserved signals of a common solitary ancestor.  |
| Space station MAXI-mizing our understanding of the universe Posted: 16 Jan 2014 08:33 AM PST The Monitor of All-sky X-ray Image (MAXI) collects data that help researchers discover, study and understand the physics behind the lifecycle of our universe. MAXI was key in two recent publications sharing results that make strides in advancing astrophysics.  |
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