New, rapid mechanism for atmospheric particle formation

Carnegie Mellon University researchers working with an international team of scientists have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions. The research, ...

Urban dogs are more fearful than their cousins from the country

Fearfulness is one of the most common behavioural disorders in dogs. As an emotion, fear is a normal and vital reaction that helps individuals survive in threatening circumstances. When the fearfulness is excessive and disturbs ...

Hot time in the city: Urban lizards evolve heat tolerance

Faced with a gritty landscape of metal fences, concrete walls and asphalt pavement, city lizards in Puerto Rico rapidly and repeatedly evolved better tolerance for heat than their forest counterparts, according to new research ...

Researchers review methods for sky view factor estimation

The sky view factor (SVF) is a geometric concept that refers to the ratio of the radiation received by a planar surface to the radiation emitted by the entire hemispheric environment. These dimensionless values are used to ...

Reconnecting with nature key for sustainability

People who live in more built up areas and spend less free-time in nature are also less likely to take actions that benefit the environment, such as recycling, buying eco-friendly products, and environmental volunteering.

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