Perceptions of police using PPE during the pandemic

A Simon Fraser University study on public perceptions of police officers wearing personal protective equipment (PPE) during the current pandemic finds that most PPE renders positive perceptions of police, while some equipment, ...

Why bats fly into walls

Bats excel in acoustic perception and detect objects as tiny as mosquitoes using sound waves. Echolocation permits them to calculate the three-dimensional location of both small and large objects, perceiving their shape, ...

Air dispersion models for odor assessment

Unpleasant odors are, well, unpleasant. Sometimes, we have to endure the stench but legislation is beginning to recognize that people have a right to not be exposed when they are avoidable. This might apply in the context ...

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