Biodiversity is dynamic: in many ecosystems, population sizes fluctuate — sometimes strongly — over time. Simulation: fluctuating growth, limits from interactions, and a steady trickle of immigration ...

Linear models were used to assess the effect of snowmelt and altitude on flowering time and how snowmelt varies between microhabitats. Snowmelt date for each of the 12 sites was compared across years ...

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Researchers have developed a new technique to evaluate human stem cells using cell micropatterning -- a simple but powerful in vitro tool that will enable scientists to study the initiation of ...

Complex systems – from ecosystems and power grids to supply chains and social networks – can sometimes collapse or surge unexpectedly after minor disturbances. Why do some systems collapse suddenly ...

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