Reconstructing the states of a nonlinear dynamical system

We often encounter nonlinear dynamical systems that behave unpredictably, such as the Earth's climate and the stock market. To analyze them, measurements taken over time are used to reconstruct the state of the system. However, ...

Parasites affect host responses to environmental change

Ignoring the role of parasites may lead to a misinterpretation of organism responses to environmental change, according to an Innovative Viewpoints article by ecologists from the University of Georgia. Their paper, "To improve ...

Catching fast changes in excited molecules

It's hard to see certain molecules react. The reaction is just that fast. Until now. A team of scientists devised a way to reveal time- and energy-resolved information on "dark" states of molecules—ones that are normally ...

Improvised dance embodies complexities of social decisions

A work of art evolves from a series of decisions, as an artist combines brushstrokes, dance steps or musical notes to convey a feeling or idea. When a group of interacting dancers improvises a performance from a repertoire ...

Freezing upon heating: Formation of dynamical glass

The discovery of superconductivity and its experimental realization are two of the most important advancements in physics and engineering of the past century. Nevertheless, their statistical and dynamical characteristics ...

Why biodiversity is key to our survival

Diversity, be it genetic, morphological, behavioural or ecological, is at the heart of many controversies. It fascinates us or worries us, depending on the context. But what is biological diversity? How useful is it, how ...

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