Tracking the evolution of Maxwell knots

Maxwell equations govern the evolution of electromagnetic fields with light being a particular solution of these equations in spaces devoid of electric charge. A new study published in EPJ C by Alexi Morozov and Nikita Tselousov, ...

Science of building sandcastles finally understood

Water vapor from ambient air will spontaneously condense inside porous materials or between touching surfaces. But with the liquid layer being only a few molecules thick, this phenomenon has lacked understanding, until now.

New research on predator-prey relationships

One of the reasons that prey species migrate is to avoid predators over long time scales, this ultimately has a powerful effect on the balance of predator and prey in a given ecosystem. This is especially the case if the ...

Time to rethink predicting pandemic infection rates?

During the first months of the COVID-19 pandemic, Joseph Lee McCauley, a physics professor at the University of Houston, was watching the daily data for six countries and wondered if infections were really growing exponentially. ...

A new mathematical front to understand species coexistence

How biodiversity is generated and maintained are central questions in science, which are becoming increasingly important for our quality of life. How do similar species coexist in a system? Which ones will dominate or be ...

Modeling temperature variation on distant stars

New research is helping to explain one of the big questions that has perplexed astrophysicists for the past 30 years—what causes the changing brightness of distant stars called magnetars.

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