Physicists set strongest limit on mass of dark matter

Brown University physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report in Physical Review Letters that dark ...

Bacterial RNAs have shorter lifetimes than expected

The decay of ribonucleic acid (RNA) is a crucial mechanism for controlling gene expression in response to environmental stresses. Researchers from the Helmholtz Institute for RNA-based Infection Research (HIRI) and the Julius-Maximilians-Universität ...

Inciting instead of coercing: "Nudges" prove their effectiveness

Developed by the American economist Richard Thaler in the late 2000s, the theory behind "nudging" theory is based on the principle that our choices are not only determined by our ability to reason, but are also influenced ...

Unraveling the stellar content of young clusters

About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and grow. Astronomers trying to understand ...

Fast algorithm extracts, compares document meaning

A computer program could compare two documents and work spot the differences in their meaning using a fast semantic algorithm developed by information scientists in Poland.

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