News tagged with night

The impact of social media on young people's sleep

The impact of social media on young people's lives is underlined today as a new study by researchers from the University-based Wales Institute of Social and Economic Research Data (WISERD) reports that more than one in five ...

Sep 21, 2015
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Finding hope in the dark

Advances in stem cell transplantation and gene therapy have been pioneered in vision research. An international team of researchers from Bristol, Toronto, Pittsburgh, Dallas and Montreal have identified a gene that could ...

Jun 10, 2015
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Night or nighttime is the period of time when the sun is below the horizon. This occurs after dusk. The opposite of night is day (or "daytime" to distinguish it from "day" as used for a 24-hour period). The start and end times of night vary based on factors such as season, latitude, longitude and timezone.

At any given time, one side of the planet Earth is bathed in light from the Sun (the daytime) and the other side of the Earth is in the shadow caused by the Earth blocking the light of the sun. This shadow is what we call the darkness of night.

This text uses material from Wikipedia, licensed under CC BY-SA

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