The bright lights of big cities are wonders of the modern world; intended to help us work, stay safe and enjoy the world around us long after the sun has set. While artificial light has been great for ...

The Hidden Zoo. By Leslie G. Mainland —[T]he author takes us behind the scenes at the Zoo and tells of the worries and anxieties of keepers and staff, and of the amusing and sometimes disastrous ...

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Female glow-worms attract males with a chemical reaction in their abdomen. Wirestock Creators/Shutterstock The invention of electric light has extended our lives deeper into the night: street lamps ...