Ants maintain essential interactions despite environmental flux

Ants adjust their social interactions to accommodate changes in population density, according to researchers at Penn State and Georgetown University. The findings suggest that ant colonies are capable of maintaining their ...

How flow shapes bacterial biofilms

EPFL biophysicists have taken a systematic look into how bacterial biofilms are affected by fluid flow. The findings can give us clues about the physical rules guiding biofilm architecture, but also about the social dynamics ...

Fluid dynamics may play key role in evolution of cooperation

Believe it or not—it's in our nature to cooperate with one another, even when cheating may be more profitable. Social cooperation is common in every scale of life, from the simplest bacterial films and multicellular tissues ...

Physics can predict wealth inequality

The 2016 election year highlighted the growing problem of wealth inequality and finding ways to help the people who are falling behind. This human urge of compassion isn't new, but the big question that remains to be addressed ...

Ants don't get Alzheimer's

It's a poignant fact of life: no matter how much we exercise, or how many wheatgrass smoothies we slurp, our bodies still age. As the years pass, skin wrinkles, eyesight falters, hearing fades. It's called senescence—the ...

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