Better models for studying the flow of information in networks

Physicist Atieh Mirshahvalad uses network models to better understand the connection between the flow of information and social structures. Among other things she has introduced a group formation model for social systems. ...

3-D images show flame retardants can mimic estrogens

By determining the three-dimensional structure of proteins at the atomic level, researchers at the National Institutes of Health have discovered how some commonly used flame retardants, called brominated flame retardants ...

Team charts new understanding of actin filament growth in cells

University of Oregon biochemists have determined how tiny synthetic molecules disrupt an important actin-related molecular machine in cells in one study and, in a second one, the crystal structure of that machine when bound ...

Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other predators and prey, ...

Study examines best methods for gaining Twitter followers

(Phys.org) —What do all Twitter users want? Followers – and lots of them. But unless you're a celebrity, it can be difficult to build your Twitter audience (and even some celebs have trouble). Looking at a half-million ...

Novel insights into the evolution of protein networks

System-wide networks of proteins are indispensable for organisms. Function and evolution of these networks are among the most fascinating research questions in biology. Bioinformatician Thomas Rattei, University of Vienna, ...

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