Metaphors for human fertilization are evolving, study shows

In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a "fairy tale," rooted in cultural beliefs about ...

COVID-19 shutdown highlights air quality policy challenges

In a study conducted in NYC during the COVID-19 pandemic, researchers found that air quality policies focusing on reducing pollutant emissions from the transportation sector have made significant strides. However, the study ...

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