Some biblical episodes may have natural explanations. A group of researchers has studied the miracle of the "miraculous catch of fish" attributed to Jesus, proposing a surprising hypothesis. They ...

The clownfish exposed to artificial light at night still spawned, and the eggs were still fertilized at a similar level as the normal fish. But there was no hatching.

Small-business grants are very competitive, but knowing how the process works can greatly increase your odds of success. This guide explains the basics you need to know.

Bernhard, A. The Nitrogen Cycle: Processes, Players, and Human Impact. Nature Education Knowledge 2, 12 (2010). Bongaarts, J. Human population growth and the demographic transition.

The Walmart Effect is a term used to refer to the economic impact felt by local businesses when a large company like Walmart opens a store in the area.

IUI, or intrauterine insemination, is when partner or donor sperm are placed directly in a uterus with a thin tube. This can help people with fertility issues conceive.

Cell biology news. Read the latest research news on cell biology and see related videos.

Coral reef information. Read current news articles on coral reefs in danger due to coral bleaching. See photos of coral reef fish and sponges. Learn about coral reef conservation.