Plant stem cells require low oxygen levels

Plants function as the green lungs of our planet, and rightfully so, as the capacity of a large, single tree releases more than 120 kg of oxygen into the Earth's atmosphere every year through a series of sunlight-fuelled ...

New leaf shapes for thale cress

Anyone who looks at their bowl of salad or at their garden can see how different the shapes of leaves can be. Spinach leaves, for example, have smooth edges and are comparatively simple in form, while parsley leaves are deeply ...

Gender diversity good for businesses and economies: UN

Companies that improve gender diversity—especially at the top—perform better and rake in higher profits, while countries that increase women employment see better economic growth, the UN said Wednesday.

Nanoscopic protein motion on a live cell membrane

Cellular functions are dictated by the intricate motion of proteins in membranes that span across a scale of nanometers to micrometers, within a time-frame of microseconds to minutes. However, this rich parameter of space ...

Life and death in bacterial communities

The coastal waters of the Red Sea have enough resources to support bacterial growth, but predation by protistan grazers limits the population, according to new research from KAUST. Since bacteria are vital players in the ...

Air pollution affects tree growth in Sao Paulo

As well as causing significant harm to human health, air pollution also stunts the growth of trees, one of the elements that can attenuate this typically urban environmental problem.

Human capital benefits of military boost economy by billions

A recent study from North Carolina State University finds that U.S. government spending on military personnel has a positive impact on the nation's human capital—essentially improving the American workforce. Using a new ...

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Growth

Growth refers to an increase in some quantity over time. The quantity can be physical (e.g., growth in height, growth in an amount of money) or abstract (e.g., a system becoming more complex, an organism becoming more mature). It can also refer to the mode of growth, i.e. numeric models for describing how much a particular quantity grows over time.

Biology

Social Science

Economy

Numerical Models

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